在线词典大限临头大限:生命的极限。指死期。用以指寿数已尽,注定死亡的期限落到身上。拼音dà xiàn lín tóu解释大限:生命的极限。指死期。用以指寿数已尽,注定死亡的期限落到身上。英文释义facing the end (idiom); at the end of one's life; with one foot in the grave