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

爬上这棵树不是太难。

youdao

He try to climb the tree, but he could not.

他尽力去爬树，可是爬不上去。

youdao

The tree was not strong enough to climb, so the man decided that if he tied a rope to his car and pull it until the tree bent down.

这棵树不够结实，所以这名男子决定把绳子绑在车上。

youdao