1.He was caught sneaking an apple from a shop.

1.他在商店里偷苹果被抓住了。

2.She ducked the interviewers by sneaking out the back door.

2.她从后门偷偷溜, 采访者。

3.Darkness was sneaking up on the travellers as they entered the forest.

3.旅游人们进森,暗渐渐向他们袭来。

4.We have to invent a new method for sneaking prisoners out without being noticed by the guards.

4.我们必须想出新办法使囚犯们偷偷溜出去而不被看守发现。