The boss said that she would do something about it if our time keeping didn't improve and that we should take her remarks as a shot across the bows.

老板说，如果我们不更好的遵守时间，她会采取某种措施，并说我们应该把她的话当作一种警告。

The frigate fired a warning shot across the privateer's bows to make her heave to.

快速战舰向私掠船的船首上空发炮警告，命令她停航。

The unidentified ship was brought to by the firing of a warning shot across its bows.

经过开炮警告，那艘来历不明的船才被迫停了下来。