hit off the table

基本解释

"If we see that hit U. S. investor confidence, and that hits equities, all bets are off the table for China to appreciate the currency, " he says.
他說，如果美國投資者信心因此受到打擊，股市受到打擊，那麽就無法指望中國允許人民幣陞值了。

Imagine I have a little lamp, a little goose- one of those little gooseneck lamps, I'd put it on the table here, I'd put the height about a f-- about a foot off the table. And if I was really good, - I could hit, or time it so that when I hurt- yeah, try again. When I turn this on switch on in the lamp, at exactly the same time, I'm going to hit a key on my computer and start it running.
想象下我有一個那種小雁頸台燈-,我把它放在桌子上，大概離桌子，有一英尺那麽高吧,這樣挺好的，我可以打開-,或者關閉這燈,竝在這同時，我可以讓我電腦,開始運行。
麻省理工公開課 - 計算機科學及編程導論課程節選