重点讲解：
1. a matter of
强调数量少、时间短；
eg. That school was sorted out in a matter of two months.
那所学校仅用了两个月的时间就整顿好了。
eg. It's a matter of a few more miles, that's all.
最多再有几英里，也不过如此。
2. be loaded with
浓烈的，深厚的，丰富的；
eg. The phrase is loaded with irony.
此语满含讽刺意味。
eg. He went home loaded with honours.
他载誉返乡。
3. be sure to do sth.
（事情的发生）一定，必然；
eg. When two tigers fight, one is sure to lose.
两虎相争，必有一伤。
eg. He's sure to get somewhere if he persists.
只要他有恒心，定能有所成就。