Unromantic days, I lost enthusiasm of living.

生活平平淡淡。我就失去了对生活的斗志。

youdao

Also had intentions, but then lost enthusiasm.

也曾用心过，只是后来失了热情。

youdao

He is seemingly to have lost enthusiasm in reading.

他似乎在阅读上已经失去了热情。

youdao

He had lost his enthusiasm for Mr Mugabe, who he said was mismanaging the country.

ECONOMIST: Sir Garfield Todd

But America lost its enthusiasm for that arrangement early during the Cold War.

FORBES: It's Time To End Japan's Defense Dependence On The United States

With all this Littleton lost some enthusiasm for Kiger-boosting.

FORBES: Magazine Article