打鐵

to forge ironware

dozen (loanword)

to beat / to strike / to hit / to break / to type / to mix up / to build / to fight / to fetch / to make / to tie up / to issue / to shoot / to calculate / to play (a game) / since / from

surname Tie

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

to strike while the iron is hot

strike the iron while it's hot (idiom)