slip out

• • 不知不觉地滑掉(或滑落)：

    His newspaper was slipped out when he got to sleep in the sofa.

    他在沙发上睡着时，报纸从他手中滑落了。

  • 悄悄溜走：

    I don't know when he slipped out.

    我不知道他是什么时候溜走的。

  • [口语]无意中说出(或泄漏)：

    I didn't mean to tell him. It just slipped out.

    我不是有意要告诉他，只是说漏了嘴。