知面不知心的叫“面友。”

Who knows surface heart of call "friends."

youdao

知人知面不知心。

The face is index to the heart.

youdao

每个人的缺点不写在额角上。（ 知人知面不知心。）

Every one's faults are not written in their foreheads.

youdao

不管你对历史多么精通，历史总有它不为人知的一面。

No matter how good at history you are, there will still be a hidden side of it you just never knew.

youdao

历史总有不为人知的一面，除了逝去的人，没人说的是对的！

History is always unknown side, in addition to the dead person, no one said is right!

youdao

你瞅瞅，你瞅瞅，一瞅豆知道你知不道啥棒则面儿好。

SeeIt's easy to know U don't know what kind of crop is good.

youdao

本研究揭示了当前肥胖问题不为人知的一面。

The study appears as the cover story of the current issue of Obesity.

youdao

每人都是一轮明月，同时都有一个不为人知的阴暗面。

Everyone is a moon, and has a dark which he never shows to anybody.

youdao

所以说你有大众不为人知的一面？

People say, "Don't you get writer's block?"

youdao

所以说你有大众不为人知的一面？

People say, "Don't you get writer's block?"

youdao