What slithers like a snake , swims like a fish and lives in the sahara ?

什么东西滑行起来像蛇、游动起来象鱼，并且住在撒哈拉？

The car slithers to a halt outside my house and there is a moment of awkward silence .

车慢慢地滑行停在我房子外面，接下来是一段令人尴尬的沉默。

But whenever I try , it just , uh , slithers out .

但无论我怎么尝试都不行。

Sure enough , rather than attacking , the snake slithers up beside you and faces the other pickpockets .

没错，毒蛇靠近你后并没有发动攻击，而是掉头面向其它扒手。