しゅっしゅっ

しゅっしゅっ

〔汽車の音〕 chug-chug; chuff-chuff.

●しゅっしゅっと音を出す chuff; give a chuff.

●蒸気機関車がしゅっしゅっと音を立てながらゆっくりやってきた. A steam locomotive chugged slowly in [up, towards us]. | A steam train came chugging slowly along.