Chènshān tài zhòu le, yòng zhēngqì yùndǒu tàng yíxià.
The shirt is too wrinkled - iron it with the steam iron.
Tips
usage
熨 here is yùn (4th tone, ‘to iron’), NOT yù. Compare 挂烫机 (guàtàngjī, garment steamer that hangs clothes) - a 蒸汽熨斗 is the traditional flat-soleplate iron, while a 挂烫机 is the upright steamer popular for delicate fabrics.
