go under

v.沉没, 失败,破产, 屈服

例句与用法：

There is not enough headroom for buses to go under this bridge.

这座桥梁下面的净空高度不够，公共汽车不能通行。

The ship went under (ie sank) on its first voyage.

那条船在首次航行时就沉没了。

He failed in doing business and went under.

他做生意失败而告破产。

The ship struck upon a rock and soon went under.

这只船撞到一岩石而很快沉没了。

详细释义：

破产

The firm will go under unless business improves.

这家公司要破产了, 除非业务好转。