He had his thumb out and held a gas can in his other hand.

他一只手打出拇指向外的手势，另一只手里拿着一个汽油罐。

When you don't have transportation, you can put your thumb out if there's a road, and somebody in a car may pick you up.

当你没有交通工具时，如果有路，你可以伸出大拇指， 可能有人会开车来接你。

Hitch-hike is when you need to get somewhere, so you put your thumb out and you're on the road, and hopefully if you do this, a car will come and pick you up.

搭便车是指当你需要去某个地方时，你伸出大拇指就在路上了， 希望如果你这样做， 会有车来接你。

" Oh, that is the new baby" ! they all cried, pulling their thumbs out of their mouths; " and he never had any mother, " and they all put their thumbs back again, for they did not wish to lose any time.

“哦，那是新来的宝贝”！他们都哭了，从嘴里拔出拇指； “而且他从来没有任何母亲，”他们又把大拇指放回原处，因为他们不想浪费任何时间。