性能 Simplified/traditional word 性能 English definition xìng néng function performance HSK level HSK 6 Characters 性 (xìng): nature; character; property; quality; attribute; sexuality; sex; gender; suffix forming adjective from verb; suffix forming noun from adjective, corresponding to -ness or -ity; essence; CL:個|个[ge4]; 能 (néng): can; to be able to; might possibly; ability; (physics) energy;