They were engaged in conversation.

他们正谈得来劲。

《牛津词典》

The soldiers were engaged in a military operation close to the Ugandan border.

士兵们在靠近乌干达边界的地区开展军事行动。

《柯林斯英汉双解大词典》

There is an example when they were engaged in food gathering.

有一个例子发生在它们收集食物时。

youdao

But the really important thing we saw by 1992 was that people were not really engaged at all on this issue."

VOA: standard.2009.12.10

And then a year and a couple of months later, by the year later we were engaged

一年零几个月后，我们订婚了，

从朋友到恋人 - SpeakingMax英语口语达人

They were engaged in arbor culture; they had fruit trees that produced very well.

他们擅长园艺,他们栽种着大量果树并且产量丰富

耶鲁公开课 - 古希腊历史简介课程节选

In 2008, eighty-one percent of seniors indicated they were engaged in the presidential race.

FORBES: Voter Enthusiasm Gap The Real Challenge To Obama Re-Election

Eduige, Bertarido's sister, had been in love with Grimoaldo, and the two were engaged.

NPR: Riches Rediscovered:? Handel's 'Rodelinda'

He met Claudia four years ago and the couple were engaged for the last two years.

BBC: Heaviest man holds big wedding