"He made the following pun, 'Seven days without water make one weak'."

他说了下面一句双关语'七天没有水使人虚弱'/'七天没有水也成一星期。'

The slogan is a pun on the name of the product.

用语与其产品名称一语双关。

Enantiosis is a special form of pun.

反语是双关一种特殊形式。

He punned on the likeness of 'weak' and 'week'.

他用同音词'weak'和'week'说了句双关语。

A man who could make so vile a pun would not scruple to pick a pocket.

一个能说出如此恶劣双关语人，是不会对偷窃钱包感到不安。