plunge into

• • 跳入；跳进(水、洞等)：

    He plunged into the cold water.

    他跳入冰冷的水中。

  • 冲进，闯进：

    The fireman plunged into burning building and saved the boy.

    消防队员闯进燃烧的建筑物，救出了那个孩子。

  • 投入(某行动)：

    As soon as the meeting started,they plunged into an argument.

    会议一开始他们就辩论起来。

  • 使陷入；突然进入(某种状态)：

    He plunged the room into darkness by switching off the light.

    他把灯一关，房间陷入一片黑暗。

  • 仓促(或突然)做起(某事)来：

    She plunged at once into a description of her latest illness.

    她马上开始谈起她最近患病的情况。

  • 负债：

    He was plunged into debt overnight by gambling.

    由于赌博，他一夜之间负债累累。