kill off

To destroy in such large numbers as to render extinct.

屠杀：摧毁大多数造成绝种

be in at the kill

be present at or benefit from the successful conclusion of an enterprise

企业成功交易时在场或受益

go (或 move in 或 close in) for the kill

take decisive action to turn a situation to one's advantage

采取决策改善形势

if it kills one

(informal)whatever the problems or difficulties involved

(非正式)无论多难；无论如何

we are going to smile and be pleasant if it kills us.

无论如何我们都要微笑，都要高兴。

kill oneself laughing

(informal)be overcome with laughter

(非正式)笑不可抑

kill or cure

(Brit.)(of a remedy for a problem) likely to either work well or fail catastrophically, with no possibility of partial success

(英)（问题的补救）孤注一掷；非死即活；不成功便成仁

the spring Budget will be kill or cure.

春季预算将会是孤注一掷的行为。

kill two birds with one stone

(proverb)achieve two aims at once

(谚)一石二鸟，一箭双雕

kill with (或 by) kindness

spoil with overindulgence

溺爱，宠坏

kill someone/thing off

get rid of or destroy completely, especially in large numbers

杀光，消灭

there is every possibility all river life would be killed off for generations.

非常有可能的是所有的河流生物会有好几代都被毁灭掉。

kill out

(of an animal) yield (a specified amount of meat) when slaughtered

（动物）屠宰后出（肉量）

in at the kill 或 in on the kill

Present at the moment of triumph.

获胜时在场