面对尚未核实的传闻,媒体不应陷入口水战。Miànduì shàngwèi héshí de chuánwén, méitǐ bù yīng xiànrù kǒushuǐ zhàn.Faced with unverified rumours, the media should not get drawn into a war of words.
看到桌上的蛋糕,孩子差点流口水。Kàndào zhuō shang de dàngāo, háizi chàdiǎn liú kǒushuǐ.Seeing the cake on the table, the child almost drooled.
别再浪费口水了,他根本不听。Bié zài làngfèi kǒushuǐ le, tā gēnběn bù tīng.Stop wasting your breath, he will not listen at all.