cwany in English:

Although he looks streetwise, Burton seemed dangerous to him.

He is a sly fox.

I don't like him because he is sly as a fox.

Remember that he's sly enough to cheat us.

"You'll find out eventually," said Mary, with a sly smile.

It has a sly habit of slipping in by the back door, and often it comes disguised in the form of misfortune, or temporary defeat.

He'd been on the receiving end of his own set of sly smiles.

You sly dog, you did listen to me.

Julia is so sly; she says one thing to my face and another behind my back.

He looked at me with a sly smile on his face and a mischievous glint in his eyes.

Fox is a very sly animal.

She looked into his eyes and gave him a sly smile.

His smile was a sly thing, breaking in from the side of his face.

If you do something on the sly, you do it ​secretly because you should not be doing it:

a sly political move

He appears sly on the surface.

He's cunning.

a cunning and resourceful criminal

It is said that the fox is more cunning than any other animal.

The fox was very cunning. He waited until the door of the chicken coop was left open and then snuck inside.

That's just how cunning North Korea (and China) is.

He makes believe that he is a practical statesman, but in really he is a cunning politician.

The Sphinx had eaten hundreds of people on their way to the city of Thebes, because they could not answer the riddle the cunning Sphinx had asked them.

Time and again they risk their lives in search of cunning new escape routes. Cunning as a fox.

The thief is very cunning, it won't be easy to catch him.

"He was a most cunning and courageous warrior," Thrawn continued.

He's as cunning as a fox. / 2. He thinks he's so cunning. / 3. I admit my cunning plan backfired.

I didn't know that Peter is so cunning.

So he had to think of something much more cunning

I am a cunning because can find a good way out in a difficult situation.

The Parisian police, he said, "are exceedingly able in their way. They are persevering, ingenious, cunning, and thoroughly versed in the knowledge which their duties seem chiefly to demand."

the slick dialogues

Your car unexpectedly skids on a large oil slick.

The road is slick so don't drive too fast.

It was a slick movie, but I couldn't expect more from a summer blockbuster.

Watch yourself. She's a pretty slick lady.

A good salesman must be slick.

That was a slick speech. Congrats!

If you want to be a great gambler you need to be slick.

... had a journal-- a slick journal-- a" Journal of...

Don't swallow that slick propaganda.

If I don't wash my hair for a day, it becomes slick with oil and flat.