to make rules or laws stricter
বিধিনিষেধ কঠোর করা
"The central authority decided to tighten up regulations on foreign trade."
"কেন্দ্রীয় কর্তৃপক্ষ বৈদেশিক বাণিজ্যের নিয়মগুলো কঠোর করার সিদ্ধান্ত নেয়।"
to increase the number of products sold
to hire additional people in preparation for something
to develop strength and wisdom by facing difficulties
to pay attention to what someone feels or says with empathy
to gradually increase the amount of money or assets you own
to fill something with air; to explode or become angry