I'm afraid they are a bit too tight.They pinch.(鞋)恐怕太紧了点，夹脚。

I'm afraid..恐怕   例句：I'm afraid this pair of shoes no longer fits me.我看这鞋我穿不了了。Size 35 is too small.I'm afraid I can't even squeeze my toes into them.35号太小了，恐怕我连脚趾都塞不进去。