我在请求上帝给我一双鞋子。
I was asking God to give me a pair of shoes.
如果有谁能捡到一双鞋子，说不定他还能穿呢！
Somebody may find both shoes and wear them.
这一双鞋子大小不一。
This pair of shoes are of different sizes.
他需要一双鞋子吗？
Does he need a pair of shoes?
我再要一双鞋子。
I want a second pair of shoes.