Number + 把 + 刀
刀 (dāo) is a noun meaning "knife," "blade," or "sword." It refers to a cutting instrument and appears in many compound words such as 剪刀 (scissors) and 菜刀 (kitchen knife). In poetry, it is often used metaphorically to describe sharpness or cutting force.
妈妈用菜刀切了几片西瓜。
Māma yòng càidāo qiē le jǐ piàn xīguā.
Mom used a kitchen knife to cut a few slices of watermelon.
这把刀太钝了,需要磨一磨。
Zhè bǎ dāo tài dùn le, xūyào mó yi mó.
This knife is too dull; it needs to be sharpened.
小心点,刀很锋利,别割到手。
Xiǎoxīn diǎn, dāo hěn fēnglì, bié gē dào shǒu.
Be careful, the knife is very sharp—don't cut your hand.