名词

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.

1. (baseball) a pitch thrown with maximum velocity

e.g. he swung late on the fastball
he showed batters nothing but smoke

Synonym: fastballheatersmokehummer

2. a projectile that is fired from a gun

Synonym: slug

3. a high-speed passenger train

Synonym: bullet train