曲直的英文：
right and wrong

参考例句：

Failing to discriminate the bent and straight
曲直不分

wrong是什么意思：
adj. 错误的；不道德的；不适合的；不正常的
adv. 错误地
n. 坏事；不公正的事；错误
v. 无礼地对待；冤枉

Evidently you are in the wrong.
这分明是你的错。

He is wrong by moral standards.
按道德规范，他错了。

The parcel was directed to the wrong address.
这邮包被寄错了。

It's wrong to doctor accounts
篡改帐目是不对的。

It's wrong to swear and shout.
骂人和喊叫是不对的。