Fears mischievous children? (7)

I believe the answer is:

terrors

I'm a little stuck... Click here to teach me more about this clue!

This clue could be a double definition.

'fears' is the first definition.
(I know this)

'mischievous children?' is the second definition.
'terrors' can be an answer for 'children?' (terror is a kind of child). I'm unsure of the 'mischievous' bit.

Can you help me to learn more?

(Another definition for terrors that I've seen is " Great fears".)

I've seen this clue in The Globe and Mail.

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