Possible Clues:

• Puff like a steam locomotive
• Sound of old train — make happy?
• Puff (like a steam engine)
• Annoyance follows Chloe's initial delight ...
• Sound like a steam-engine to make one happy?
• Delight - make a puffing sound
• We hear bird make sounds like a train
• About to take a draught and go like a train
• Be steaming, about to take offence
• Elizabeth going topless for a painter