KanjiJLPT N3
Strike

strike, hit, knock, pound, dozen

Mnemonic

A massive hand punches up through the street, cracking the asphalt as it curls into a fist. It rears back and begins to strike everything in sight—lampposts bend, cars crumple, and the whole street shakes with each thunderous blow from that relentless hand.
Additional thoughts
Picture a colossal fist erupting from a city road. The hand is the action, the street is the setting. Every strike leaves a crater in the pavement.
Quick recall
A giant hand smashes through the street to strike everything in its path.

Details

The keyword for 打 is strike. This kanji conveys the fundamental action of hitting, beating, or striking something with force. It encompasses a wide range of physical actions involving impact, from hammering a nail to batting a ball. By extension, it can also be used more abstractly to mean launching or initiating an action, as in striking out on a new endeavor.
On'yomi
だ、だーす
Kun'yomi
う.つ、う.ち-、ぶ.つ