形容词

1. 滑溜溜的;滑的
Something that is slippery is smooth, wet, or oily and is therefore difficult to walk on or to hold.

2. 滑头的;靠不住的;狡猾的
You can describe someone as slippery if you think that they are dishonest in a clever way and cannot be trusted.

3. 滑向深渊的道路
If someone is on a slippery slope, they are involved in a course of action that is difficult to stop and that will eventually lead to failure or trouble.