She drove people hard, and lost her temper from time to time, but everybody knew she was brilliant, committed, and the hardest-working person in our campaign.

她激励人们拼命地工作，经常会发脾气，但是大家都知道，她有才干、尽职，是整个竞选班子中工作最努力的人。

youdao

I am a hard-working and committed person.

我是一个工作努力尽职尽责的人。

youdao

Rachel was a lovely girl with a lively, outgoing personality, committed and hard working.

BBC: Ski girl 'not wearing helmet'

"In reality, Chicagoans who were for the Games and those who were against them were committed to the same goal: Working hard for what they thought would be best for the city of Chicago in the coming decades, " she said.

CNN: Olympic 'nopes' beat out hope in Chicago

As hard as it was, you're still out there, still working hard, still rebuilding, still committed to your city.

WHITEHOUSE: President Obama Holds Town Hall in New Orleans