有人請你吃飯，飯畢準備結賬了，因為對方沒有及時掏錢包，你就慢慢騰騰開始掏錢包，做出要付賬的姿態，這種情況在英語里就叫wallet threat。本來沒打算從錢包里往外拿錢的，忽然做出付賬的舉動，錢包就受到威脅了。是不是很形象？

Wallet threat is the reluctant act of pulling one's wallet out as a sign of willingness to pay for a meal that was assumed to be a treat. Normally, this threat would be immediately cleared when the people who offered the treat in the first place paid for the bill.
Wallet threat（錢包威脅）指被別人請吃飯時，不情不愿地掏錢包做出付賬姿態的行為。通常情況下，請客的一方結賬以后，這個“錢包威脅”就立即解除了。

比如下面這兩個人：

"Mike, put that thing away, dinner is on me tonight."
邁克，快把錢包收起來，今晚這頓我請。

"But it's so expensive."
可是這頓飯太貴了。

"Dude, seriously, chill out with the wallet threat.
哥們兒，別逗了。快把錢包收起來吧。

（中國日報網英語點津 Helen）