柔韧

柔韧	róu rèn	pliable and tough / supple and strong / flexible
柔	róu	soft / flexible / supple / yielding / rho (Greek letter Ρρ)
韧	rèn	variant of 韧
韧	rèn	old variant of 韧
韧	rèn	annealed / pliable but strong / tough / tenacious