冷水澡

tā bǎ měi tiān xǐ lěng shuǐ zǎo dàng chéng yī zhǒng xí guàn

他把每天洗冷水澡当成一种习惯。

He makes it a rule to take a cold bath every day.

duàn liàn wán chōng gè lěng shuǐ zǎo hěn shuǎng

锻炼完冲个冷水澡很爽。

It is great fun to take a cold bath after taking exercises.