生锈 (pinyin: shēng xiù, written "sheng xiu" or "shengxiu") means (of metal) to rust; to become rusty. Below: its meaning, pronunciation, stroke order, and example sentences, so you can learn how to read, say, and write 生锈.
Meaning
(of metal) to rust; to become rusty
(fig.) (of a skill etc) to get rusty; to deteriorate