打鐵趁熱

strike the iron while it's hot (idiom)

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

to forge ironware

surname Tie

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

to avail oneself of / to take advantage of

old variant of 趁[chen4]

to warm up / to heat up / hot (of weather) / heat / fervent