bring someone/something to heel
US /brɪŋ ˈsʌm.wʌn ˈsʌm.θɪŋ tuː hiːl/
UK /brɪŋ ˈsʌm.wʌn ˈsʌm.θɪŋ tuː hiːl/

1.
制服, 使服從
to force someone or something to obey you or to come under your control
:
•
The government is determined to bring the rebels to heel.
政府決心制服叛亂分子。
•
It took a lot of effort to bring the unruly class to heel.
費了很大力氣才讓那個不守規矩的班級服從。