重点讲解：
1. to be honest
老实说；说实在的；
eg. To be honest, I just don't want to go.
说心里话，我真不想去。
eg. To be honest, I am not all that optimistic we will pass the exam.
老实说，我对我们能否通过考试不那么乐观
2. be full of
有大量…的；满是…的；
eg. His songs are full of dirge.
他的歌充满了忧伤。
eg. He was full of youthful idealism.
他满脑子都是年轻人的理想主义。
3. in combination with
与…联合，与…结合；
eg. He carried on the business in combination with his friends.
他与朋友们合伙做生意。
eg. They are most suitable when used in combination with the quick-acting chemicals.
要是与快速作用的化学药品合用，它们是最合适的。
