late 15c., "to lament," probably from Middle Dutch jammeren and cognate Middle English yeoumeren, "to mourn, complain," from Old English geomrian "to lament," from geomor "sorrowful," probably of imitative origin. Cognate with Old Saxon jamar "sad, sorrowful," German Jammer "lamentation, misery." Meaning "to make loud, annoying noise" is attested from 1510s. Related: Yammered; yammering.
权威例句
1. The more European voters balk at economic reform, the more politicians yammer on about values.