Be careful, I think the neighbors have been spying on us.
小心点,我觉得我们邻居一直在窥视我们。
I'm afraid you will miss your test.
我怕你会错过测验。
When you come to think about it, there are only four ways you can deal with rubbish: dump it, burn it, turn it into something you can use again, attempt to produce less of it.