TOPIK Practice – TOPIK I 어휘 [vocabulary] 1–5 (7/11/2026) – mystery

정답: C. 수수께끼

How to solve: The question asks for a word describing something strange and difficult to know or solve. '수수께끼' (riddle/mystery) fits this description perfectly.

A — '문제' means 'problem' or 'question', but it doesn't carry the specific nuance of 'mystery' or 'riddle'.

B — '질문' means 'question' (as in asking something), which is not the correct word here.

C — '수수께끼' means 'riddle' or 'mystery', which is exactly what the stem describes: an unknown, strange, and difficult matter.

D — '정답' means 'correct answer', which is the opposite of something unknown.

정답: C. 탐정

How to solve: The question describes a person who investigates crime cases and finds the culprit. This is the definition of a 'detective'.

A — '요리사' means 'chef'.

B — '선생님' means 'teacher'.

C — '탐정' means 'detective', which is the person who investigates crimes and finds culprits.

D — '의사' means 'doctor'.

정답: C. 범인

How to solve: The sentence states that the police are diligently looking for a person who committed a crime. The word for someone who committed a crime is '범인'.

A — '친구' means 'friend'.

B — '손님' means 'guest' or 'customer'.

C — '범인' means 'culprit' or 'criminal', which fits the description of someone who committed a crime that the police are looking for.

D — '구경꾼' means 'spectator' or 'bystander'.

정답: C. 단서

How to solve: The sentence indicates finding something small that helps solve a case. '단서' (clue) is the appropriate word here.

A — '선물' means 'gift'.

B — '식사' means 'meal'.

C — '단서' means 'clue' or 'hint', which is a small piece of information that helps solve a case.

D — '문제' means 'problem' or 'question'.

정답: C. 조사합니다

How to solve: The sentence describes what the police do at a crime scene to find out the truth. They 'investigate' the scene.

A — '먹습니다' means 'eats'.

B — '잡니다' means 'sleeps'.

C — '조사합니다' means 'investigates' or 'examines', which is what police do to find the truth about a case.

D — '놉니다' means 'plays'.