Diànlàotiě yào děng tóu shāorè le cái néng shàng xī.
Wait for the soldering iron's tip to heat up before applying solder.
Tips
usage
烙 here is read lào — 'to brand, to iron'. Same character is in 烙饼 làobǐng 'griddle pancake' and 烙印 làoyìn 'brand mark' — the common idea is 'pressing hot metal'.
