老鼠药 Traditional 老鼠藥 lǎo shǔ yào 🔊 rat poison + Keep this word Meanings lǎo shǔ yào 老鼠藥 rat poison Its characters 老lǎoprefix used before the surname of a…HSK 3鼠shǔrat; mouse药yàomedicineHSK 2