我大部分时间都在歌唱爱情。

I sing about love most of the time.

《柯林斯英汉双解大词典》

我大部分时间都在山里露营。

I'll be off camping in the mountains most of the time.

youdao

战争期间，他大部分时间都在部队服役。

He served in the ranks for most of the war.

《牛津词典》

But what the Greeks spent most of their time doing was fighting each other, one hoplite phalanx against another hoplite phalanx.

但是希腊人在大部分时间里都是方阵对抗,一个步兵方阵和另外一个步兵方阵对垒

耶鲁公开课 - 古希腊历史简介课程节选

because it's in the morning, and, you know, we learn, but we mostly just have a conversation,

因为这个课在早上，而且虽然是学习，但其实大部分时间都是在练习对话。

学习外语的原因 - SpeakingMax英语口语达人

I mean we haven't, we don't really have a second version which is constantly... So I guess for most of last school year I just worked on scaling and kind of trying to make it keep up with the increasing load and trying to make it so that we can expand more, adding more schools.

说实话，我们从来没有,第二个版本。,我记得，在上一学年大部分时间里,我都在致力于扩大网站规模,这样是为了应对,不断增长的访问量,我试着完成目标，这样就能吸引更多学校。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选