kibitz
Word family nounkibitzerverbkibitz
kib·itz /ˈkɪbɪts/ verb [intransitiveI] American EnglishAmE informal 2 to talk about things that everyone already knows in a boring way 废话连篇 incessant philosophical kibitzing 有关哲学的连篇废话
—kibitzer noun [countableC] the usual crowd of kibitzers 那帮平时废话连篇的人
Origin kibitz (1900-2000) Yiddish kibitsen, from German kiebitzen, from kiebitz “lapwing” (type of bird that makes a lot of noise)