生锈

生锈	shēng xiù	(of metal) to rust; to become rusty / (fig.) (of a skill etc) to get rusty; to deteriorate
生	shēng	to grow; to give birth; to produce; to be born / to arise; to occur / to light (a fire) / to live; to be alive / life / raw; uncooked; unprocessed / unfamiliar; strange / (bound form) student; person engaged in a field / (bound form) male role in traditional opera / (bound form) life; lifetime / (bound form) means of livelihood / (bound form) very; intensely (as in 生疼) / (bound form) in a forced manner (as in 生拉硬拽)
锈	xiù	variant of 锈
锈	xiù	to rust