[挑灯夜战 / 挑燈夜戰, tiǎo dēng yè zhànㄊㄧㄠˇ ㄉㄥ ㄧㄝˋ ㄓㄢˋ] to raise a lantern and fight at night (成语 saw); fig. to work into the night; to burn the midnight oil#66286
[いどむ, idomu] (v5m, vi) (1) to challenge; to throw down the gauntlet; to contend for; to tackle; (2) to pressure someone for sex; to woo; to make love to; (P)#8293