The first character is 拳. You may remember it from 跆拳道 – tái quán dào – Taekwondo. It is quán meaning fist.
The second character is 击. We saw this character before in the word 射击 – shè jī – Shooting. It is jī meaning to hit.
Together they mean Boxing.
quán is pronounced ch-wan with a 2nd or rising tone.
jī is pronounced jee, with a 1st or high level tone.