Undertrick
n. [牌]宕墩(指莊家未能完成定約時所宕掉的牌墩)
??? 情景例句
I hope you're enjoying your stay here.
我希望你在這里過得愉快。
I know the boy whose father is an engineer.
我知道那個男孩的父親是工程師。
'It's working all right, but I'm afraid that at one o'clock it will strike thirteen times and there's nothing I can do about it.
“不錯，鐘能報時了，但是，恐怕每到1點鐘，它總要敲13下，對此我已無能為力了。”