12a 《廃》 (奉公の)年季.

・He has now served his time. 年季がすんだ.

b (兵役の)期間.

・serve one's time in the army [navy] 陸軍[海軍]で兵役に服する.

c 刑期.

・serve (one's) time＝《口語》 do (one's) time 服役する.

・He served his full time. 刑期を務め上げた.

・He is doing time (for manslaughter) at Sing Sing. シンシン刑務所で(殺人の罪で)服役中である.

13a 勤務[就業]時間, 勤務[就業]日数.

・⇒full time, part time, short time.

b (時間・日割などに基づく)給料, 賃金.