a friend you have known for a long time
長い間知っている友達 (nagai aida shitte iru tomodachi)
"I met an old friend from college yesterday."
"昨日、大学の古い友人に会いました。" (kino daigaku no furui yujin ni aimashita)
to take credit for someone else’s idea or success
to adopt an environmentally friendly lifestyle
saving money is just as valuable as earning it
to admit or confess to something.
to use a political issue to one’s advantage
everything; the entire effort