not...at all

Lean hard-training women athletes may men-struate less frequently or not at all.

身材瘦削而且训练艰苦的女运动员行经可能不那么频繁，或者根本不来月经。

"Thank you very much for speaking with us." — "Not at all."

“非常感谢您能和我们交谈。”——“不客气。”

Apparently the girls are not at all amused by the whole business.

据说女孩们觉得整件事情一点也不好笑。

"After you." — "Not at all, Mr Bird, after you."

“您先请。”——“别客气，伯德先生，您先请。”

The pilots respectfully represented that they were not at all tired.

飞行员郑重表示他们一点也不累.

It's not at all certain whether I'll come tomorrow.

我明天还不定来不来呢.

She was not at all daunted by the size of the problem.

她一点也不为问题的严重性所吓倒.

His illness is not at all serious.

他的病很轻.

The crops are not at all bad.

庄稼长得真不赖.

He was not at all nervous, for he knew what to expect.

他心里有底, 一点不慌.

"Sorry. I sound like Abby, don't I?" — "No. Not at all."

“抱歉，我讲起话来像阿比，是不是？”——“不，一点不像。”

This tune is not at all pleasing to the ear.

这个曲子真难听.

He's not at all worried about his car's reliability.

对于自己那台车性能的稳定性他根本不担心。

Such attitudes were not at all uncommon thirty years ago.

这些看法在30年前很常见.

I am not an obsessive. Not at all.

我不是个强迫症患者，完全不是。