keep at

• • (使)坚持干，坚持下去：

    He keeps at his studies although he is ill.

    他虽然病了，却坚持学习。

    Her mother kept her at her homework until she finished it.

    他母亲要她坚持做完作业。

  • 在…备有(某物)；在…有(某物)：

    Mother like to keep some medicine at home in case she needs it.

    妈妈喜欢在家存一些药以备需要时用。

  • 使…受阻于(某处)，耽搁…于(某处)：

    I was kept at the office for two hours and that's why I'm late.

    我在办公室给耽搁了两个小时，所以我迟到了。

  • 纠缠，反复要求；不断问：

    The little girl kept at her father to take her to the cinema.

    那个小女孩缠着她父亲带她去电影院。

    He kept at me about my plan.

    他反复询问我的计划。