铁丝

iron wire / CL:根[gen1] / subway enthusiast (abbr. for 地鐵粉絲|地铁粉丝[di4 tie3 fen3 si1]) / railway enthusiast (abbr. for 鐵路粉絲|铁路粉丝[tie3 lu4 fen3 si1])

surname Tie

iron (metal) / arms / weapons / hard / strong / violent / unshakeable / determined / close / tight (slang)

silk / thread / trace / (cuisine) shreds or julienne strips / CL:條|条[tiao2] / classifier: a thread (of cloud, smoke etc), a bit, an iota, a hint (of sth) etc

wire netting / CL:道[dao4]

razor wire