to accept a duty or task
責任を負う (sekinin o ou)
"He decided to take on responsibility for the new client."
"彼は新しいクライアントの責任を負うことに決めました。" (kare wa atarashii kuraianto no sekinin o ou koto ni kimemashita)
to spend more money than one can afford
to reduce anxiety ahead of an event
to think carefully about something
to surrender to the police or authorities
to compare prices before buying something
to present ideas to others for consideration