Idiom:on the chopping block
Meaning:at risk of being laid off or terminated;
受到解雇的威胁；期限快到
Chopping block意为砧板；剁肉板；切菜板。
Usage note：当 project 即将完成的重要关头, 项目头子对属下叮咛或艰难的实验, deadline 在即时可以运用这个短语。其次在千万不能出错的情况下, 也可以使用此短语。
Example:
1.If you mess this up, our whole future is on the chopping block. 如果你把这事儿搞砸了, 我们的整个未来就受到严重威胁。
2. For you to vote against the president after all he has done for you would be to put your head on the chopping-block.
尽管董事长在各方面照顾你，你要投票反对他，这会毁掉你的前程的。
