자다

1 【잠을】sleep; fall asleep; doze off(잠깐); go[get] to sleep; 【잠자리에 들다】go[get] to bed; retire; turn in《구어》
▶ 자고 깨면 whenever one awakes from one´s sleep; all the time; every (waking) minute; from morning till night; ever; always
▶ 낮잠을 자다 take a nap[siesta]
▶ 늦잠을 자다 sleep late; oversleep
▶ 푹 자고 있다 lie[be] fast asleep
▶ 정신없이 자다 sleep like a dog[log]
▶ 자지 않고 간호하다 keep vigil over 《a sick child》; watch[sit up] with 《an invalid》
▶ 간밤에 잘 잤어? Did you have a good night´s sleep?
▶ 자야겠다 I´m going to turn in. or I must get some sleep.
▶ 자, 자자! Let´s hit the sack!
▶ 잘 자거라 Sleep tight[well, soundly].
▶ 가서 자거라 It´s time to go to bed. or Off to bed now. or It´s bedtime.
▶ 자러 가야겠다 I´m going to retire for the night. or I´m going to crash.《속어》 or I´m going to hit the sack[hay].《구어》
▶ 나는 잠깐 선잠을 잤다 I caught some shut-eye for a while.
▶ 낮잠을 자야겠어 I am going to take a nap[some Zs].
▶ 그는 지난밤 한숨도 못 잤다 He didn´t get a wink of sleep last night. or He was up all night.

2 【바람·파도 따위가】go[die] down; subside; calm down; become quiet[still]; stop; run down
▶ 바람이 잤다 The wind has died down.
▶ 폭풍우가 잤다 The storm has abated.

3 【기계가 멎다】run down; stop
▶ 시계가 잔다 The watch has run down[stopped].

4 【결이】get smoothed[pressed] down; take a set
▶ 머리가 자다 one´s hair sets

5 【동침하다】have sexual intercourse; sleep together
자는 범 코침 주기[속담] Let sleeping dogs lie. or Wake not a sleeping lion.
자나 깨나[관용어] day and night; awake or asleep
▶ 자나 깨나 그 일을 잊을 수가 없다 I cannot forget that waking or sleeping.
▶ 그는 자나 깨나 그 일만 생각하고 있다 The thought is ever present in his mind. or It engrosses his attention all the time.