challenge

[동] …에 도전하다, 도전하다, 이의를 제기하다
[명] 도전, 수하, 신청

[동] question, dispute, disagree with
[명] dare, provocation, summons

[동] invite to engage in a contest, To invite to take part in a competition
[명] a call to someone to participate in a competitive situation or fight to decide who is superior in terms of ability or strength, A confrontation

palm

[명] 손바닥, 종려나무, 야자과의 식물
[동] …을 손바닥에 숨기다, 손 안에 감추다, …을 몰래 줍다

[명] prize, hand, trophy

[명] the inner surface of the hand between the wrist and fingers, Any of various evergreen trees from the family Palmae or Arecaceae, which are mainly found in the tropics
[동] conceal in the hand, especially as part of a trick or theft, To hold or conceal something in the palm of the hand, e.g, for an act of sleight of hand or to steal something

action

[명] 활동, 행동, 움직임
[동] 실행하다, 확인 조치하다, …을 상대로 소송을 제기하다
[형] 움직임이 활발한

[명] deed, act, move

[명] the fact or process of doing something, typically to achieve an aim, The effort of performing or doing something
[동] take action on, To act on a request etc, in order to put it into effect
[감탄] Demanding or signifying the start of something, usually a performance

strength

[명] 세기, 힘, 기운

[명] power, might, brawn

[명] weakness, puniness, failing

[명] the quality or state of being physically strong, The quality or degree of being strong

anxiety

[명] 걱정, 불안, 근심

[명] worry, uneasiness, concern

[명] calmness, confidence, serenity

[명] a feeling of worry, nervousness, or unease about something with an uncertain outcome, a mental condition characterized by excessive apprehensiveness about real or perceived threats, typically leading to avoidance behaviours and often to physical symptoms such as increased heart rate and muscle tension

tension

[명] 긴장, 긴장 상태, 신장
[동] 팽팽하게 하다, 긴장시키다

[명] tightness, strain, tautness

[명] slackness, calmness, looseness

[명] the state of being stretched tight, The condition of being held in a state between two or more forces, which are acting in opposition to each other
[동] apply a force to which tends to stretch it, To place an object in tension, to pull or place strain on

willingness

[명] 쾌히 하기, 기꺼이 하는 마음

[명] readiness, inclination, preparedness

[명] reluctance, unwillingness

[명] the quality or state of being prepared to do something, The state of being willing

biology

[명] 생물학, 생활사, 생태학

[명] the study of living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behaviour, origin, and distribution, The study of all life or living matter

threat

[명] 위협, 협박, 공갈
[동] 위협하다

[명] threatening remark, danger, warning

[명] a statement of an intention to inflict pain, injury, damage, or other hostile action on someone in retribution for something done or not done, An expression of intent to injure or punish another
[동] To press, urge

courage

[명] 용기, 배짱, 담력

[명] bravery, braveness, nerve

[명] cowardice, timidity

[명] the ability to do something that frightens one, The quality of being confident, not afraid or easily intimidated, but without being incautious or inconsiderate
[동] 1530, William Tyndale, "An Answer unto Sir Thomas More's Dialogue":

date

[명] 날짜, 기일, 월일
[동] 날짜가 적혀 있다, 날짜를 적다, 비롯되다

[명] day, time, day of the month
[동] assign a date to, put a date on, establish/determine/ascertain the date of

[명] the day of the month or year as specified by a number, The fruit of the date palm, Phoenix dactylifera, somewhat in the shape of an olive, containing a soft, sweet pulp and enclosing a hard kernel
[동] establish or ascertain the date of, To note the time or place of writing or executing

strategy

[명] 용병학, 전략, 계획

[명] master plan, policy, grand design

[명] a plan of action designed to achieve a long-term or overall aim, The science and art of military command as applied to the overall planning and conduct of warfare

fear

[동] …을 무서워하다, 무서워하다, 두려워하다
[명] 두려움, 무서움, 공포

[동] be afraid of, be fearful of, dread
[명] terror, dread, fright

[명] calmness, confidence, indifference

[동] be afraid of as likely to be dangerous, painful, or harmful, To feel fear about
[명] an unpleasant emotion caused by the threat of danger, pain, or harm, A strong, uncontrollable, unpleasant emotion or feeling caused by actual or perceived danger or threat
[형] Able, capable

physiology

[명] 생리학, 생리 기능, 생리

[명] the branch of biology that deals with the normal functions of living organisms and their parts, A branch of biology that deals with the functions and activities of life or of living matter and of the physical and chemical phenomena involved

stress

[명] 압박, 강조, 스트레스
[동] …에 무게를 두다, 강조하다, 역설하다

[명] strain, emphasis, pressure
[동] emphasize, draw attention to, highlight

[명] relaxation
[동] play down, understate

[명] pressure or tension exerted on a material object, A physical, chemical, infective agent aggressing an organism
[동] give particular emphasis or importance to made in speech or writing, To apply force to causing strain

confidence

[명] 신뢰, 신임, 신용
[동] 속이다, 신용하다
[형] 사기의, 협잡의

[명] trust, belief, faith

[명] distrust, scepticism, shyness

[명] the feeling or belief that one can have faith in or rely on someone or something, Self-assurance

response

[명] 응답, 대답, 반응

[명] answer, reply, return

[명] question

[명] a verbal or written answer, An answer or reply, or something in the nature of an answer or reply

energy

[명] 정력, 힘, 세력

[명] vitality, strength, energy

[명] the strength and vitality required for sustained physical or mental activity, The impetus behind all motion and all activity