One Hit
noun
One hit is simply… one hit!
一打 refers to a single impactful strike. It's often a hit in ball sports, but can also be a punch in boxing or a button tap in video games.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
力いっぱいの一打でしたね。
It was a powerful hit.
あのゴルフボール、一打でグリーンの上に？
Did that golf ball land on the green in one stroke?
ボクシングで一打をくらった。
I took a hit from boxing.