骂不绝口

dāng tā men lái dào shuǐ zhá shí nán hái yǐ shì hàn liú jiā bèi mà bù jué kǒu

当他们来到水闸时，男孩已是汗流浃背，骂不绝口。

The boy was sweating and cursing by the time they reached the lock.