2--If something is slippery, it is hard to stand on. Slippery Slope
 
1--It sounds as if Jonathan and Anna will fall down.
 
2--So, Jake came into the office late again.
 
1--He told me he has been drinking every night this week.
 
2--Jake should be careful. He's on a very slippery slope.
 
1--I agree. He could lose his job.
 
2--A slippery slope is a series of events that can be hard to stop once it has begun.
 
1--If you are on a slippery slope, you are losing control and heading for trouble.
 
2--It's best to stop yourself before that happens!
 
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注解：
 
1.slope斜坡
2.slippery不稳定的
3.control控制

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译文：

1--斜坡可以形容表层或某个区域，这个表层或区域不是水平的。
2--如果某事是不稳定的，那么坚持这件事就会很难。急剧下滑
1--听起来乔纳森和安娜好像要跌倒了。
2--杰克上班又迟到了。
1--他告诉我这周他每晚都喝酒。
2--杰克得小心了。他目前的情况越来越糟糕。
1--我同意。他会失业的。
2--急剧下滑指发生了一连串事件，一旦发生就很难停下来。
1--如果你目前情况越来越糟糕，你就会失去控制，遭遇困难。
2--所以最好在发生前就管住自己。