Feel tired even though I have done no major activity during the day.

容易疲惫，即使一整天什么都没做。

youdao

The game is a major activity for children, and games and toys closely linked.

游戏是儿童生活中的主要活动，游戏和玩具紧密相连。

youdao

The auditing job of economic responsibilities in colleges and universities is a major activity for economic supervision and appraisal.

高等学校内部经济责任审计工作是一项主要的经济监督与评价活动。

youdao

One of the major ideas noted in the report is that some activity is better than none.

VOA: special.2010.06.08

Or make major changes in an activity that has already begun.

VOA: special.2009.07.12

To combat a severe economic slowdown, governments of major economies sharply boosted spending to stimulate activity.

VOA: standard.2010.04.21

Tourism is a major activity in the area with about 1, 5 million national and 3, 000 foreign tourists (1997).

UNESCO: Biosphere Reserve Information

As a first major activity of the Project an international symposium "60 Years of UNESCO History" took place from 16-18 November 2005.

UNESCO: History Project

We look to expand our team in 2013, and the process of recruiting, interviewing, and hiring will be a major activity for us in the first few months of the new year.

FORBES: 2013- A Startup Perspective on The Year Ahead