PHRASE
不思进取；故步自封
If someone is resting on their laurels, they appear to be satisfied with the things they have achieved and have stopped putting effort into what they are doing.
例句
The committee's chairman accused NASA of resting on its laurels after making it to the moon...
委员会主席指责美国国家航空航天局成功登月之后便志得意满，不思进取。
The government can't rest on its laurels and must press ahead with major policy changes.
政府不能故步自封，必须继续大刀阔斧地推行政策改革。