sit tight

1.If your car breaks down on the motorway, sit tight and wait for the police.

如果汽车在高速公路上出了故障，守在那里别动等警察来。

2.In a period of recession businessmen have to sit tight and hope for better times in the future.

经济景气，商人化，希望未来情况会有好转。

3.If you do hold money in the market you need to decide if it is time to crystallise your losses, or if you have the stomach to sit tight and hope for a recovery.

如果您在市场中资金，那割肉的时候到了；或者，您有安安稳稳坐等经济恢复的本。