put up "自己去做" 的意思,shut up“闭嘴”，put up or shut up 要么就闭嘴，要么就收手；要么去做，要么闭嘴；要么去做,要么闭嘴。

【例句】
You keep saying you're going to ask a beauty out. Well, put up or shut up.
你老是说要叫她出来。好吧，采取行动吧，否则就闭嘴。

No question, this is what is called a 'put up or shut up' moment for lawmakers.
毫无疑问，对于立法者而言，目前就是所谓的‘要么采取行动，要么闭嘴’的时刻。