Definitions

shěn (literary) to smile; to sneer

Etymology phono-semantic

mouth

Semantic: Phonetic: 西

About

is a phono-semantic compound combining the mouth radical with the phonetic 西. The radical marks it as a mouth action, a smile or laugh, but it typically carries a mocking or sneering connotation. In formal correspondence, it serves a polite, self-deprecating function: when presenting a gift or a piece of writing, one uses to request that the recipient smile forgivingly at its shortcomings. The phonetic 西 determines the sound, and context shifts the meaning between derision and humble courtesy.