英文里表示“流口水”的词,有:“drool”流口水,从嘴淌下,(胡说,说梦话),例如:a baby drool而比较常见的:“口水”的翻译有:mouth water流口水,也可以直接表达作“come out”,例如:While his sleeping(he is asleep),mouth water comes out.如果要形容流的口水多,有很多形容,如:“stream out”像小溪一样流出while his sleeping(he is asleep),mouth water streams out from his mouth.“full of”很多while his sleeping (he is asleep),his mouth is full of mouth water“a mouth of”一嘴的while his sleeping(he is asleep),there is a mouth of(mouth)water.如果是少量口水,如:一滴口水“a drop of”there is a drop of (mouth)water on…(某物,可以是嘴巴、嘴角或者其他某物)口水的痕迹“trail of mouth water”beside his mouth is a trail of the mouth water.