导购口语:

The tip is rather narrow.
鞋尖太窄了。
Shoes will stretch a bit with use.
鞋穿穿会撑大写的。
There must be a little space left at the tip. Otherwise I will feel it too tight.
鞋尖必须留点空隙才好，要不然我会觉得太紧了。

语句解析:

Rather narrow太窄了；rather这里作形容词，意思是“相当，颇，有点儿”；stretch a bit with use穿会撑大些的，这句用在购买衣服和鞋子场合。

情景再现:

The zipper on this pair of high boots is broken.
这双高筒靴上的拉链坏了。
The buckle on this shoe is broken.
这只鞋的鞋扣坏了。