1. choice n. 选择,挑选,抉择
We each had to make a choice.
我们每个人都必须做出选择、
2. completely adv. 完全地,十分地,全然
She tried to understand the instructions, but she was completely at sea.
她费尽力气想看懂那些说明文字,却全然不知所云。
3. matter vi. 有关系,要紧
It doesn't matter about the price.
价格没关系。