endeavour to do
endeavour to achieve
strive to do
A: Did they try to help us?
A：他们试过帮助我们吗？
B: Yes, they endeavoured to provide as much assistance as possible.
B：是的，他们竭力提供了尽可能多的援助。
1) 努力
2) 力求
3) 竭力
1. 努力，力求
verb
1. To make a great effort to achieve something.
Synonym: strive, attempt, try