She stifled another yawn and tried hard to look interested.

她又忍住了哈欠，竭力显出感兴趣的样子。

《牛津词典》

I tried hard to kick.

我使劲踢腿。

youdao

He tried hard to produce emotional effects among his readers.

他努力在他的读者中营造出情感效果。

youdao

(Sound) Kellerman has tried to pursue both a singing and acting career, but she says it was hard and her acting career suffered.

VOA: standard.2009.11.03

And I pretty much worked hard, double harder and tried to get as much as I can in.

我确实很努力，我付出了双倍的努力并且尝试着得到更多。

对你而言，钱是？ - SpeakingMax英语口语达人

So as a father of two young girls, I've tried hard to be a good dad.

WHITEHOUSE: The White House Blog: The President

Tickets were cheaper and easier to obtain, but lots of bigwigs still tried hard to blag them.

ECONOMIST: Echoes and lessons of London��s previous Olympic games

It has since tried hard to reinvent itself as a competitive political party operating in a democracy.

ECONOMIST: Felipe Calder��n��s battle for relevance