try hard to do or achieve something. "he is endeavoring to help the Third World"
noun [具体名词] 努力;尽力(等于 endeavour)
I endeavor to find some peaceful places. 我努力寻找一些宁静的地方。
end(尽头) + eav(看做eager, 热情) + or(看做our, 我们的) → 用尽了我们的热情 → 努力, 尽力