chop about

• • (风)突然转变方向：

    The wind chopped about and the little boat nearly sank.

    风向变化无定，小船差点儿给弄沉了。

  • 不断地改变；随风倒；改变主意：

    He kept chopping about from kindness to cruelty towards his pupils.

    他对学生们忽而和蔼可亲，忽而冷酷无情。