tā / zài / dì / èr / huíhé / yòng / yī / jì / zuǒ / gōuquán / jīzhòngle / duìshǒu / de / lèibù

他在第二回合用一记左钩拳击中了对手的肋部。

In the second round, he landed a left hook to his opponent's ribs.