He has to visit them on the sly.

他只得偷偷地去看望他们。

He looked sly and furtive.

他显得偷偷摸摸，鬼鬼祟祟。

She darted a sly sideways glance at Bramwell.

她狡猾地斜瞟了布莱威尔一眼。

The sly fox nimbly eluded the dogs.

那只狡猾的狐狸灵活地躲避开那群狗。

Frost is so sly.

弗罗斯特很狡猾。

Under the cover of the smog, He snatched the pot on the sly.

在烟雾的掩护下，他偷偷地拿走了那只壶。

Before I could say anything further, the principal gave me a sly, almost sarcastic smile.

我还没来得及说什么，校长露出了一个狡猾、几乎有些讥讽的微笑。

His lips were spread in a sly smile.

他的双唇在会心的微笑中张开。

He kept making sly little digs at me.

他总是拐弯抹角地挖苦我。

She is devious and sly and manipulative.

她阴险、狡诈，而且爱操纵他人。

You sly old devil! How long have you known?

你这个老滑头！你知道有多久了？

He said nothing but gave me a sly grin that made me feel terribly uneasy.

他什么也没说，只朝我狡黠地咧嘴一笑，令我感到极为不安。

"Wendy," he said, the sly one, "you could tuck us in at night."

“温迪，”那狡猾的小家伙说，"晚上你可以为我们盖被子。"

Consequences follow from this, of course, some of which are that ambition is driven underground, or made sly.

当然，这样带来了一些后果，其中的一些后果是人们将野心埋在心底，或者隐藏的很好。

Some boys smoke on the sly.

有些男孩子暗地吸烟。

Some officials claimed to unhook connections with the companies but still maintained close ties on the sly.

某些干部口称已跟公司脱钩， 可暗中仍然保持联系。

I've tipped you a wink or signalled to you on the sly many times, but before you took the hint others had already noticed.

我多次向你使眼色，又给你递暗号，别人都明白了，你却没有反应。

Sly Sam slurps Sally's soup.

狡猾的森姆喝掉莎莉的汤。

It's the — Frost is so sly.

弗罗斯特很狡猾。

A different cause, says Parson sly.

不同原因，滑头牧师说。

He's as sly as a fox.

他很狡诈。

Guy is so sly... (I wish I was this clever.)

Guy太狡猾。(我希望我真有这么聪明。)

There was a sly smile from the makeup artist.

她又笑了。

So some men may feel the need to prove their on the sly.

因此一些男人偷偷的感到需要去证明一下自己的男子气概。

"It's not there for no reason," he says with a sly grin.

“它在那里不无理由啊，”他狡猾地笑着说。

No, she's a sly one, 'he remarked, shaking his head.

“不，她是一个机灵人，”他说，摇着头。

I felt there was something meaningful in her sly grin.

我感觉到女儿狡黠的笑容里有一些富有意义的东西。

She traps my bishop with her knight, flashes me a sly smile.

她用她的爵士将我的主教围了起来，并且给了我一个淘气的微笑。

I thought him very sly; — he hardly ever mentioned your name.

我认为他很调皮，因为他几乎没有提起过你的名字。