我开始走，知道我在走。

I got up and I noticed that I am standing.

youdao

在我前方的路上看不见有车，但我开始走并且竖起了我的拇指。

There was not a car in sight heading my way, but I started walking and stuck my thumb out.

youdao

我开始绕开他走，但他挡着我的路。

I started to move around him, but he blocked my way.

《柯林斯英汉双解大词典》

Rather initially when we started our walk I pointed to a caboose but by pointing to the caboose I picked out a train.

反而一开始我们走的时候,我指着车尾,但通过指着车尾,我说的是一辆火车。

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