be up to one’s tricks; have a few tricks up one’s sleeve; manoeuvre; play politics; play (/pull/get up to)tricks; resort to stratagems;be wily
? 你可不要～！ (黎汝清《海島女民兵》286) Don’t try to pull any tricks!
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playing(/getting up to)tricks
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perform sleight of hand;play tricks;resort to deception
他又在～了。He is up to his tricks again.