刃 ⇒
刃 rèn, edge of blade
刀刃 dāorèn, knife blade/crucial point
利刃 lìrèn, sharp blade
迎刃而解 yíngrènérjiě, lit. (bamboo) splits when it meets the knife's edge (idiom)/fig. easily solved
游刃有余 yóurènyǒuyú, [遊刃有餘], handling a butcher's cleaver with ease (idiom); to do sth skillfully and easily
双刃剑 shuāngrènjiàn, [雙刃劍], double-edged sword (lit. and fig.)
锋刃 白刃战 báirènzhàn, [白刃戰], hand-to-hand fighting
刃儿