Play it safe.

做事要稳妥。

There is not a shadow of a doubt that they did it.

毫无疑问，是他们干的。

Rules are meant to be followed, not broken.

规则制订出来是让人遵守，而不是让人破坏。

I think we should leave the door open. it's boiling in there.

我觉得我们应该把大门敞着，屋里太热了。

Keep your chin up.

别灰心。

Were you raised in a bam?

你是牲口棚里长大的吗？