英汉词典

1. 子弹
    A bullet is a small piece of metal with a pointed or rounded end, which is fired out of a gun.

2. 硬着头皮做；咬紧牙关应付
    If someone bites the bullet, they accept that they have to do something unpleasant but necessary.

    e.g. Tour operators may be forced to bite the bullet and cut prices.
           旅行社的经营者们可能不得不忍痛降价。