求全的英文：
demand perfection; try to round sth. off

参考例句：

To renounce honour and strive for existence
背义求全

Don’t ask for perfection
万事莫求全

demand是什么意思：
n. 要求，所需之物；需求，需要
v. 要求；询问，质问；命令；需要

It is the demand, stupid.
傻瓜，答案是需求。

Demand exceeds supply. The supply is not adequate to the demand．
供不应求

I demand a recount.
我要求重算。

perfection是什么意思：
n. 完善，完美

It was not a perfect system.
它不是一个完美的系统。

There are a few disadvantages that take from the perfection of the perfection of the garden.
有几个不利条件使得花园不够完美。

There was a perfect rage for demolition.
这简直是一场疯狂的破坏。

try是什么意思：
v. 尝试，试验，试图，努力；审判；考验
n. 尝试，努力；试验

If at first you don't succeed, try, try again.
初试不成功，努力勿懈怠。

She is trying to slim.
她正在设法减肥。

They are trying to flog their house.
他们正试图卖掉房子。