Definition (力量)
To strike someone with considerable force directly on a specific part of their body.
正中、直接命中(身体部位)
The ball hit him fair and square on the head.
球正正地打在他的头上。
He punched me fair and square on the chin.
他正正地打在我的下巴上。
He was hit fair and square on the shoulder by a falling hailstone.
他被掉落的冰雹正正地打在肩膀上。