中国汽车制造商们正洋洋自得。

CHINA's carmakers are feeling smug.

两国的关系非常好，但我们却不能因此洋洋自得。

Relationships between our two countries are very good, but there is no room for complacency.

我感到很开心，但是我并不想因为胜利而洋洋自得。

I was happy but didn't feel like gloating over my victory.

他主张，如果我们实现“无为而治”，所有东西就会回到原位。禁止洋洋自得，做到无欲无求，方可体察自然的奥妙所在。

He argues that everything will fall into place if we practice "not-doing", withholding our own assertiveness, being constantly without desire so as to observe the subtlety of nature.