1
to make something stay the same 保持；维持 Maintaining your current weight through exercise and healthy eating is important. 通过锻炼和健康饮食来保持你目前的体重是很重要的。
It's sometimes hard to maintain the right balance between your work and your home life. 有时要在工作和家庭生活之间保持恰当的平衡是很难的。
maintain stability/continuity/the status quo :
the problem of maintaining social stability in a period of great economic change 在重大经济变革时期维持社会稳定的问题
Synonyms and related words
To remain the same, or to keep something the same: maintain, withstand, stabilize...
- a.to continue to communicate with someone and not allow a relationship to end 保持（联系）maintain contact/relations/links :
Though now in government, he has maintained close contact with his former colleagues in the oil industry. 虽然现在供职于政府，他仍和以前在石油业的同僚保持着密切联系。
Synonyms and related wordsTo be or to not be in contact with someone: hear from, maintain, correspond... - b.to make sure that something stays at the same level, rate, or standard 确保
Some schools experienced difficulty in maintaining staffing levels. 有些学校在保持教职员工水平方面遇到了困难。
Regular inspections ensure that high safety standards are maintained. 定期检查可确保维持较高的安全标准。
Synonyms and related wordsTo remain the same, or to keep something the same: maintain, withstand, stabilize...