1PHRASAL VERB 加紧工作;加强管理;严格要求 If a group, team, or organization tightens up, they make an effort to control what they are doing more closely, in order to become more efficient and successful. 加紧工作;加强管理;严格要求
I want us to be a bit more sensible this time and tighten up. [VERBPREP.]