1.blush at 对……感觉惭愧
She blushed at the thought of it.
她想到这件事就脸红。

2. run a risk 冒险
You'll run a risk of cutting your feet if you do not wear shoes.
要是不穿鞋，你的脚就有被割破的危险。

3.at leisure 空闲着
They're seldom at leisure.
他们难得清闲。

4.a great deal of 大量的,许多的
A great deal of whiskey is made in Scotland.
很多威士忌酒在苏格兰酿造。

5.be applied to 用于
This rule can't be applied to every case.
这项规则不是所有情况都使用。