to be responsible for something and answer to others about it
何かに対して責任を持ち、それについて他の人に説明すること (nanika ni taishite sekinin wo mochi, sore ni tsuite hoka no hito ni setsumei suru koto)
"She had to answer for the mistakes made by her team."
"彼女は自分のチームの犯したミスについて責任を取らなければならなかった。" (Kanojo wa jibun no chiimu no okashita misu ni tsuite **sekinin wo toranakereba naranakatta**.)
to prevent something from happening
to end a relationship or partnership
liable to be misused or exploited
to stay more advanced or knowledgeable than others
to change from one system or option to another
a person who looks very healthy