to focus and work hard for a long time
長い間集中して一生懸命働くこと (nagai aida shuchu shite isshokenmei hataraku koto)
"He kept his nose to the grindstone and got promoted."
"彼は一生懸命働き続けて昇進した。" (kare wa isshokenmei hatarakitsuzukete shoshin shita)
in the process of being developed or built
to be able to think of interesting and unusual ideas
in great detail and vividness
to be extremely jealous or angry with someone
someone cannot change their inherent nature or characteristi...
a feeling of pride and loyalty shared by members of a group
