晃蕩

to rock / to sway / to shake

variant of 晃[huang3]

to dazzle / to flash past

to sway / to shake / to wander about

to wash / to squander / to sweep away / to move / to shake / dissolute / pond

lit. a full bottle makes no sound; a half-filled bottle sloshes (idiom) / fig. empty vessels make the most noise