to not allow someone to go out; to hold inside
誰かを外に出さないようにする; 中に保つ (dareka o soto ni dasanai yō ni suru; naka ni tamotsu)
"The teacher kept in the students after class for talking too much."
"先生はクラス後に学生が話しすぎたため、中に保ちました。" (sensei wa kurasu go ni gakusei ga hanashisugita tame, keep in shimashita)
to feel full of thankfulness and appreciation
to make someone make a mistake; to make an error
to review or check lessons again for better understanding
to reserve all available places or tickets
to formally ask for a change in a court decision
to become part of a group or situation easily; to adjust to...