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mischief; prank; trick; practical joke
mischievous; naughty
pastime; hobby
playing with (e.g. a lighter); fooling around with; messing around with; amusing oneself with; tampering with
lewd behaviour; sexual misconduct; sexual assault; molestation; rape
子供たちがいたずらをして困っている。
The children are playing pranks and causing trouble.
彼はよくいたずらをする悪い子だ。
He is a naughty child who often plays tricks.
いたずらが過ぎて叱られました。
I was scolded for going too far with my pranks.