You do that and I'm a dead duck.

你要这么着，我就将死了。

The plan is a dead duck: there is no money.

计划告吹了，因为没有钱。

Wally is a dead duck because he flunked physics.

沃利完了，他物理考试不及格。

Joe will be a dead duck when his wife learns what he did.

乔的妻子得知他所做的事时，乔就会彻底完蛋了。

He tried to speak, lifted a hand, and let it drop like a dead duck.

他想说点什么，举起一只手，却又把它象只死鸭子似地垂下来。