失去兴趣

After an initial burst of enthusiasm for jogging, I gradually lost interest.

一时的热情过去之后，我对慢跑逐渐失去了兴趣。

He gradually cooled on the matter.

他对这问题渐渐失去兴趣。

Most readers are likely to lose interest when he descends into the realms of rhetorical terminology.

他开始讨论修语，数读者很可能会失去兴趣。