曲肱而枕

lit. to use one's bent arm as a pillow (idiom) / fig. content with simple things

surname Qu

bent / crooked / wrong

tune / song / CL:支[zhi1]

variant of 麴|曲[qu1]

yeast / Aspergillus (includes many common molds) / Taiwan pr. [qu2]

upper arm / arm

and / as well as / and so / but (not) / yet (not) / (indicates causal relation) / (indicates change of state) / (indicates contrast)

pillow / to pillow / to rest one's head on (Taiwan pr. [zhen4] for this sense)