Definition
- B1
to ensure that something remains at the current level without declining
使維持高水準，不下降
He works hard to keep the company's performance up.
他努力工作以確保公司的表現維持在高水準。
If you want to win the competition, you need to keep your training up.
如果你想贏得比賽，你需要保持訓練的強度。
We must ensure that the quality of this project keeps up.
我們必須確保這個專案的品質維持不變。