奴はうそもつきかねない男だ。の英語

The man is quite capable of telling lies.

He's nobody's fool.

There are no flies on him.

He never misses a trick.

He is an indecisive character.

He is quite capable of extortion and imposture

He will make nothing of blackmailing and swindling.

He is simply a hopeless liar.

He's not a man to jest with.

He is not to be relied upon―unreliable.

He's not much of a man, is he?

He has a quick perception

He is quick of perception

He is quick in anticipating your wishes.

He is not worth helping.

He is a daredevil.

He is a good‐for‐nothing fellow.

He doesn't tell lies; take it from me.

He is a meddler―a busybody.

He is an enigma―a sphinx.

He is a sloven.

He is a knowing fellow―a 'cute chap―He is fly.

He is a capricious man―a man of moods.

I can make nothing of him

He is a nondescript.

He's forever putting on airs.

He is sharp [keen].

He has (all) his wits about him.

He can't take things as they are

He is fretful