catch hold of ...

phr

• ① 抓住(话柄等),握住;控制;把握;获得
  • catch hold of a dog by its collar抓住一条狗的项圈
  • The monkey caught hold of a twig.那只猴子抓住一根树枝。
  • She caught hold of my sleeve.她抓住我的袖子。