1. How could you hold it back?

你干吗瞒我呀？

2. I did not conceal anything from him.

我对他没有什么隐瞒的。

3. I suggest you lie low for a few days.

我建议你这几天别吭声。

4. Please keep this secret.

这个还请保密。

5. I tried to cover up for him but without success.

我设法替他打掩护，但没能成功。

6. She kept his letters tucked away in a drawer.

她把他写的信都藏在抽屉里了。

7. I have never tried to hide the truth about my past.

我从来也没隐瞒过我的过去。

8. She glossed it over.

那事她一带而过。