Word: 埋头苦干 (máitóukǔgàn) Traditional: 埋頭苦幹 埋头苦干 dictionary entry máitóukǔgàn to bury oneself in work (idiom); to make an all-out effort; up to the neck in work Full dictionary entry for 埋头苦干 Example sentences using 埋头苦干 2 sentences, showing page 1 of 1. 他埋头苦干，忘了吃饭。 Tā máitóukǔgàn, wàngle chīfàn. He was so engrossed in his work that he forgot to eat. 他整天埋头苦干，连饭都忘了吃。 Tā zhěngtiān máitóukǔgàn, lián fàn dōu wàngle chī. He buries himself in work all day and even forgets to eat.