He gave her a reassuring pat on the shoulder.

他了一下她肩膀让她放心。

Water lapped the sides of the boat.

河水两侧。

The waves were lapping against the side of the boat.

波浪船舷。

I patted him on the shoulder.

他肩膀。

He patted her knee reassuringly.

他她膝盖让她放心。

He patted my curly head.

他卷发头。