To slam-dunk is to score in basketball by jumping up and pushing the ball down through the hoop with force. You are above the basket, not throwing from far away.

To slam-dunk is to score in basketballslam-dunk 就是在籃球比賽裡得分 by jumping up靠著跳起來 and pushing the ball down through the hoop with force用力把球往下推進籃框。You are above the basket你是在籃框上方，not throwing from far away不是從遠處投籃。

It looks powerful, and crowds love it. The word is also used as a noun: a slam dunk is that kind of shot.

It looks powerful這個動作看起來很有力，and crowds love it觀眾都很愛看。The word is also used as a noun這個字也可以當名詞用：a slam dunk is that kind of shotslam dunk 指的就是那種灌籃。

Though actually, in everyday American English people stretch it a long way from sport: they call an easy, almost-certain success a slam dunk — a job you are sure to get, a test you cannot fail. That second use is very common, maybe even more common than talking about the real jump. It is informal.

Though actually不過其實，in everyday American English在美式英語的日常用法裡 people stretch it a long way from sport人們把這個字用得離運動很遠：they call an easy, almost-certain success把一件很容易、幾乎篤定會成功的事 a slam dunk叫做 slam dunk — a job you are sure to get像是穩拿的工作，a test you cannot fail或不可能考不過的考試。That second use is very common這第二種用法非常常見，maybe even more common than talking about the real jump甚至可能比講真正跳起來灌籃還常見。It is informal這是非正式的說法。

Not every player can do a real slam-dunk: you need height or a big jump. A shot from the floor, even a beautiful one, is not a slam-dunk.

Not every player can do a real slam-dunk不是每個球員都能真的灌籃：you need height or a big jump你需要身高或很好的彈跳力。A shot from the floor就算是從地板上投的球，even a beautiful one就算投得很漂亮，is not a slam-dunk也不算是 slam-dunk。