to make rules or laws stricter
規則や法律を厳しくする (kisoku ya hōritsu o kibishiku suru)
"The central authority decided to tighten up regulations on foreign trade."
"中央当局は外国貿易に関する規制を厳しくすることを決定しました。" (Chūō tōkyoku wa gaikoku bōeki ni kansuru kisei o kibishiku suru koto o kettei shimashita.)
to show that someone has made a mistake or is lying
to begin doing something; to be caught in a situation
to start having control or responsibility for something
to explain or describe plans in detail
to change position to make space for someone or something
to introduce changes to improve a system or policy
