https://online2.tingclass.net/lesson/shi0529/0009/9907/363.mp3
https://image.tingclass.net/statics/js/2012
讲解文本：
bite the bullet 咬紧牙关，忍受困难，硬着头皮做某事
I know this is going to be hard, but we have no choice. We'll just have to bite the bullet.
我知道这很难，但我们别无选择，只能咬紧牙关上了。
I just need to bite the bullet and take the exam to graduate.
为了毕业我只能硬着头皮去考试了。
疯狂练习吧!
