If you make a mistake, don't try to hide it. Face it and correct it.

如果你犯了错误，不要试图掩饰。面对它并改正它。

youdao

If he doesn't try to hide it or act embarrassed, that could mean he's envisioning going through a lot of ups and downs with you by his side.

如果他不是努力想要隐藏(哭泣)或者表现出窘迫，那可能意味着他想象有你陪在他身边一起经历人生的起起落落。

youdao

If you try to hide a mistake and someone else finds out (and they always do), the trouble will be much worse because you tried to hide it.

如果你想把错误隐藏起来，被别人发现后麻烦更大(人们总是能发现)，因为你试图掩盖错误。

youdao

"When you're very tense, you try to hide it behind laughter, " he said.

CNN: War puts Georgian civilians on edge