lit. if you tap a half-empty bottle it makes a sound (idiom); fig. empty vessels make the most noise; one who has a little knowledge likes to show off, but one who is truly knowledgeable is modest
当当噹噹dang1 dang1
(onom.) ding dong
当当车噹噹車dang1 dang1 che1
(coll.) tram, especially Beijing trams during period of operation 1924-1956; also written 鐺鐺車|铛铛车
叮当叮噹ding1 dang1
(onom.) ding dong; jingling of bells; clanking sound
叮当声叮噹聲ding1 dang1 sheng1
tinkle
叮当响叮噹響ding1 dang1 xiang3
(onom.) ding dong; jingling of bells; clanking sound
叮叮当当叮叮噹噹ding1 ding1 dang1 dang1
(onom.) ding dong; jingling of bells; clanking sound