troublemaker
🇺🇸
/ˈtrʌblmeɪkər/
🇬🇧
/ˈtrʌblmeɪkə(r)/
Someone who frequently causes problems or disturbances, often by stirring up disagreements or conflicts.
The new kid in class turned out to be a troublemaker, always starting fights and disrupting the peace.
班上新来的孩子原来是个麻烦制造者,总是挑起争斗,破坏和平。