chug /tʃʌɡ/ verb (chugged, chugging) 1 MOVE/CHANGE POSITION[intransitiveI always + adverbadv/prepositionprep] if a car, train etc chugs somewhere, it moves there slowly, with the engine making a repeated low sound 〔汽车、火车等〕突突地缓慢前进chug along/up/around etc The boat chugged out of the harbour. 小船突突地驶出港口。
2. [transitiveT] (also chug-a-lug) American EnglishAmE informal to drink all of something in a glass or bottle without stopping 一饮而尽,一口喝下 3 [intransitiveI always + adverbadv/prepositionprep] to make slow but steady progress 缓慢而稳步地进展 The economy just keeps chugging along. 经济在缓慢而稳步地发展。
—chug noun [countableC usually singular]