He never knew about the box, and in time he gave up trying for the kiss.

他根本不知道盒子的事，并且他及时地放弃了亲吻的尝试。

youdao

My partner and I have been trying for a baby for two years.

我和我的配偶两年来一直试着生个孩子。

《柯林斯英汉双解大词典》

50 young hopefuls are trying for a place in the England team.

50名雄心勃勃的年轻人亟欲跻身英格兰队。

《牛津词典》

Mitchell,who has been trying for months to negotiate a solution to the Israeli, Palestinian impasse,is scheduled to arrive in the region next month for further talks.

VOA: standard.2009.11.26

For example, he begins by borrowing the Russian formalist distinction in trying to explain what fiction is between plot and story.

举个例子，他开篇在解释那种文体介于情节和故事之间时,借用了俄国结构主义的特点。

耶鲁公开课 - 文学理论导论课程节选

and so our organisation is trying to get as many medals as possible for the Olympics, for UK athletes.

所以我们的组织努力地为奥运、为英国运动员争取尽可能多的金牌。

正准备奥运会 - SpeakingMax英语口语达人

Pitcher Tom Glavine of the New York Mets was trying for his 300th victory.

NPR: Major League Baseball Milestones Delayed

And believe me, after trying for months to like Windows 8, I still hate it.

FORBES: Why Windows 8 Is The First Windows Release I Absolutely Hate

What if I had stopped trying for a job in Asia after in week two?

FORBES: One-Way Ticket: Why I Left Home to Launch a Career in Asia