| 埋头 | [埋 头 / 埋 頭] to immerse oneself in; engrossed in sth; to lower the head (e.g. to avoid rain) #18,136 [Add to Longdo] |
| 埋头苦干 | [埋 头 苦 干 / 埋 頭 苦 幹] to bury oneself in work (成语 saw); to be engrossed in work; to make an all-out effort; up to the neck in work #31,484 [Add to Longdo] |