chug
v
(-gg-)
1 [I] make the short dull repeated sound of an engine running slowly (发动机缓慢运转时)发出(持续而单调的)短声; 发出突突声.
2 (phr v) chug along, down, up, etc move steadily in the specified direction while making this sound (发出突突声朝某方向)稳稳行进
The boat chugged along the canal. 小船稳稳地顺著运河突突地航行. chug, n sound made by a chugging engine (发动机缓慢运转时发出的)突突声.