那个棒球投手以他强力的快速球闻名。

The baseball pitcher is known as a powerful ___thrower of fastballs.

吊装工熟练地用吊索将货物装到卡车上。

The ___slinger skillfully loaded the cargo onto the truck using the lifting sling.

他在网上是个臭名昭著的喷子，总是随意攻击他人。

He's notorious online as a ___slinger who constantly hurls harsh words at others.