" To kvetch" is an informal expression meaning to complain loudly and repeatedly.

” “kvetch” 是一个非正式的表达， 意思是大声反复地抱怨。

The word " kvetch" is a Yiddish word, a language spoken by primarily Jewish immigrants to the United States.

“kvetch” 这个词于意第绪语，这是一种主要由移美国的犹太人使用的语言。

Before we get started kvetching, though, I want to sing you a little song, and you've probably heard it before, so feel free to sing along, if you like.

但是在我开始发牢骚之前，我想唱一首歌，你可能以前也听过，如果你愿意的话可以一起唱。