to make rules or policies stricter
規則や政策を厳しくする (kisoku ya seisaku o kibishiku suru)
"The government decided to tighten up regulations on foreign investments."
"政府は外国投資に対する規制を強化することを決定しました。" (seifu wa gaikoku tōshi ni taisuru kisei o kyōka suru koto o kettei shimashita.)
to transfer control or responsibility to someone else
to cooperate or collaborate with someone on the same task or...
to find it hard to speak because of strong emotions
to carefully consider all aspects of something
to make conscious efforts to improve your personality, habit...
to remove obstacles between people or groups