曲线

curve / curved line / indirect / in a roundabout way

surname Qu

bent / crooked / wrong

tune / song / CL:支[zhi1]

variant of 麴|曲[qu1]

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

variant of 線|线[xian4]

thread / string / wire / line / CL:條|条[tiao2],股[gu3],根[gen1] / (after a number) tier (unofficial ranking of a Chinese city)

hyperbola

line graph / line diagram

algebraic curve

conic section

(math.) plane curve

curve fitting

(of sb who ostensibly collaborated with the Japanese during the Sino-Japanese war of 1937-1945) to secretly work for the Nationalists or against the Communists

the theory of curves

jigsaw

(math.) elliptic curve

decay curves

hyperbolic sine or sinh (math.)

cubic curve (geometry)

quadratic curve (geometry) / conic