Correct

没完没了

/ méi wán méi liǎo /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/没完没了-Chinese-idioms-Cchatty-32103282-53ad-4e87-b6b8-947d3b052022-1612777598.jpg

Collocation

1
没完没了地……
2
是没完没了
3
就没完没了

Definition

没完没了

Literally means:

without end

Actually means:

It figuratively means one endlessly does something or speaks of something, or a certain problem remains unsettled for an indefinite time. Derogatory.

形容说话、做事没有休止,或事情拖的时间很长,不知道什么时候了结。具有贬义色彩。

Example

Used as predicate or adverbial adjunct. (作谓语、状语)
1
ge
那个
háizi
孩子
huan
喜欢
xué
学习
  
,
wán
diànnǎo
电脑
yóu
游戏
lái
jiù
méiwánméile
没完没了
  

The child doesn't like to study and plays computer games endlessly.

2
jīng
已经
tuìxiū
退休
le
  
,
tiāntiān
天天
méishì
没事
jiù
méiwánméile
没完没了
shuō
biéren
别人
de
xiánhuà
闲话
  

She's retired, and every day there's nothing to say about other people's gossip.

3
men
他们
liǎng
jiā
家族
de
ēnyuàn
恩怨
zhí
一直
méiwánméile
没完没了
  
,
zhè
dàirén
一代人
néng
néng
jiějué
解决
shuí
shuō
zhǔn
不准
  

The feuds between the two families have been endless, and no one can say for sure whether this generation can solve them.

Related

没完没了