be onto

• • (尤指通过电话)与…取得联系：

    I've been onto the general manager,he said he would attend the meeting.

    我与总经理打电话联系过了，他说他会来参加会议。

  • 不断要求(或请求)(某人)(做某事)：

    She's been onto me to buy her a ring for half a year.

    她要求我给她买一枚戒指，求了半年了。

  • 发现(秘密；某人犯罪、做坏事、做错事)：

    The spy is onto us,we'd better hide.

    密探发现我们了，我们最好还是躲起来。