English rendering be affiliated with Literal translation: “keep one’s registration”
To belong to an organization.
Dictionary example 1
현재 우리 대학에 적을 두고 있는 선수들 가운데 국가대표 선수는 모두 다섯 명이다.
Read the meanings, trace, then cover above the masking line and write. Uncover, choose a meaning, and make your own sentence.
Writing text적을 두다
Explore the body parts or scenes linked to this idiom.
A silent film that writes the headword and its meaning.
Invoke a legal provision Cite a particular clause of a rule or law. 
Trace the origins Clarify the source of a matter. 
Shared · 2 Declare one's candidacy Announce an intention to join a match, competition, or the like. 
Shared · 2 declare one’s candidacy To announce one’s intention to enter a competition, contest, or the like. 
Announce one's arrival Announce someone's arrival and request an audience. 
be all alike For things to have the same appearance or for exactly the same event to be repeated. 
A stock phrase Unchanging words with no new information. 
be stereotyped To be stale through repeating words and actions according to a fixed convention. 
Go through successive printings Reprint an already published book using the same printing plates 
2 meanings Acquire a bad label; accept being singled out Acquire a nickname through something unfavorable. Browse in Hangul order.
WORDROW Korean Idioms 