忍耐 - 努力して

in a manner that requires a lot of effort

to put a lot of care and effort into doing something

to actively and tirelessly search for employment or other opportunities

to work excessively or to the point of exhaustion

to study in a determined and serious manner

to make an attempt to capture someone or achieve something

to put a lot of effort into things and do them thoroughly

someone who is highly productive or beneficial to an organization, but is unknown or unnoticed by the public

陰の立役者, 目立たない有能者

to consider all possible options or approaches in order to find a solution or achieve a goal

to demonstrate one's ability in surpassing obstacles and dealing with difficult situations