他太小了搬不动这个重箱子 英语翻译

1,He is too small to carry that heavy box.
2,How high is this bookshelf?
3,Be careful when you cross the road.
4,Pleas look this workd up in the dictionary.

he is too young to carry this heavy box
how high is that shelf
be careful when crossing the road
look up this word in the dictionary please

He is too small to carry the heavy box.