snowed under
忙得不可开交、忙到顶不住了
口语·表达工作繁忙
英文释义
overwhelmed or burdened with an excessive amount of work or tasks
例句
I'm totally snowed under with deadlines this week, can't even grab lunch.
典故来源
源自暴风雪覆盖地面的景象，比喻被大量工作或任务覆盖，如同被雪掩埋。