She'd promised to give him driving lessons, on the quiet, when no one could see.

她答应在无人看见时秘密地给他上驾驶课。

《柯林斯英汉双解大词典》

The doctor told me on the quiet his patient had cancer.

医生暗地对我说， 那位病人患的是癌症。

《新英汉大辞典》

It's been happening on the quiet for a while.

一切都在悄无声息地发生着。

youdao

Like many songs on the album "Quiet Nights" it is a good example of Diana Krall's soft and smoky voice.

VOA: special.2009.04.24

I think it's actually owned by McDonald's. But I think they keep that on the quiet

我想它实际上是麦当劳旗下的。但是我想他们不想宣传这个，

知道普雷特公司吗？ - SpeakingMax英语口语达人

For if I say that this is to disobey the god and because of this it is impossible to keep quiet, you will not be persuaded by me on the grounds that I am being ironic.

因为假设我说那是违悖神意,所以我无法保静默，你们不会被我说服,反而会以为我语带讽刺；

耶鲁公开课 - 政治哲学导论课程节选

Guests on the quiet floors who break the rules can expect the snore monitor to come knocking.

BBC: In brief: Nepal to re-measure world's highest mountain

Our safety will always depend on the quiet heroism of ordinary Americans, like the ones that we recognize today.

WHITEHOUSE: The White House

The numbers represent the eggs of specific turtles, dug up elsewhere by the Terengganu Department of Fisheries and reburied on the quiet beach.

BBC: The perfect trip: Singapore and Malaysia