He's up to his old tricks again.

他又玩起他的老把戏来了。

youdao

Satan is still up to his old tricks.

撒但至今仍在使用这老伎俩。

youdao

He's up to his old tricks, I'll bet.

我可以打赌，他又干起老行当来了。

youdao

The twenty-three year old invented many of the tricks and flips used by his competitors.

VOA: special.2010.02.26

The Doctor is back and up to his old tricks, namely saving people from danger, having fantastic adventures, and wearing questionable neckwear.

FORBES: Doctor Who 7.01: Season 7 Starts Off with a Bang (and a Bait and Switch)

It looks like Quackenbush is up to his old tricks.

FORBES: Follow Through

Is Henry Blodget up to his old tricks?

FORBES: Henry Blodget Scores Again