1.interest rates 利率
例句:High interest rates have stunted economic growth.
高利率已经阻碍了经济的增长。
2.go ahead 前进
例句:You go ahead, and we'll follow on.
你先走,我们随后就到。
3.For a while 暂时
例句:She rested for a while, then had a wash and changed her clothes.
她休息了一会儿,然后洗了洗,换了身衣服。
4.get out of hand 失控
例句:In practice, things can get out of hand if you aren't careful.
在实践中如果不够谨慎的话,情况也可能失控。