It's not too difficult to climb up the tree.

爬上这棵树不是太难。

youdao

Lie down and look straight up through the branches; climb a tree to look down the path.

躺下，透过树枝向上直视；爬上一棵树向下看。

youdao

Lie down and look straight up through the branches, and climb a tree to look down the path.

你可以躺下来透过树枝直直地向上看，也可以爬上树从小路向下看。

youdao