苦口婆心

Having a bitter taste; hardship or suffering; to suffer or endure pain; to toil painstakingly; to be afraid of.

Mouth; opening; entrance; gate; classifier for people, animals, or mouthfuls; sharp edge of a weapon or tool; place of rupture or crack.

An old woman; grandmother; mother-in-law; a term for certain professional women in the past; slang for a femme in a lesbian relationship.

The physical heart; the mind or intellect; feelings or emotions; the center or core of something; intention or will.