I was in a hurry to go to school, so I forgot to bring the key of my house.

我急急忙忙地去上学，所以忘记带家里的钥匙了。

youdao

Irrespective of the quality of a school, a child's home life is of key importance.

不管学校的质量如何，孩子的家庭生活都是至关重要的。

youdao

Irrespective of the quality of a school a child's home life is of key importance.

不管学校教育的质量如何，孩子的家庭生活都是至关重要的。

youdao

Harry Covert says the key to re-building the school, and all of Haiti,is to make sure the work is done right.

VOA: special.2010.02.05

Kids spend a significant portion of their time in school, which is why the First Lady is focusing this initiative on the school environment as a key place to increase access to quality physical activity, so that all students can stay healthy and reach their potential.

WHITEHOUSE: The White House

Same-store sales - those in outlets open at least a year - were down 11%, despite the fact that the key back-to-school period started at the beginning of July.

BBC: Kmart losses persist

She left the car in one fluid motion, not even pausing to push the locking button on her security key, and entered the school and walked urgently down the hall, past the display of photographs of "Astronaut Moms and Dads" grinning in their orange pressure suits as they held up models of the space shuttle.

NPR: In 'Challenger Park,' Mom Is an Astronaut