to submit school or college work to the teacher
教師に学校や大学の課題を提出する (kyōshi ni gakkō ya daigaku no kadai o teishutsu suru)
"You must hand in assignments before the deadline."
"締め切り前に課題を提出しなければなりません。" (Shimekiri mae ni **kadai o teishutsu shinakereba narimasen**.)
to reduce the rate at which prices are rising
to introduce or prepare the way for something
to start working hard on something seriously
to spend your childhood with someone
to gradually become less severe or intense
to move up to view older posts or messages
