Every day is not Sunday.
好景不常在。
Every dog has his day.
谁都有得意的时候。
Every door may be shut, but death's door.
人生在世,唯死难逃。
shut
英 [ʃʌt] 美 [ʃʌt]
vt.& vi.关闭,把…关在门外,排斥,关进,围进,关上(箱子等),闭上(嘴等),封闭,封锁,停止开放[营业],叠拢,合拢(伞,小刀等),挟住,挟进; 使暗,隐藏; 关闭,塞住,(店铺等)关门
adj.关闭的; 围绕的; 声音低沉的
n.关闭,闭锁,终止,完结; 焊接缝; [语]闭锁音; [机]冷塞