round onsb/sth
—phrasal verbwithroundverb[T]uk/raʊnd/us/raʊnd/
tosuddenlyturnandattacksomeone or something
突然回击；突然转身攻击；猛然反扑
Thefoxroundedonitspursuers.那只狐狸突然转身向追猎它的人扑来。
tocriticizesomeone who hascriticizedyou
反击（批评）
Themayorroundedon hiscriticswith a veryforcefulspeech.市长突然发表了措词强硬的讲话，回击批评他的人。