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- He must study hard to keep up with the class. 他要努力才能跟上全班同学。
- You should study hard to keep up with the others. 你应该努力学习以跟上别人。
- He works hard to keep up with his classmates. 他努力学习以便赶上其他同学。
- John had to work hard to keep up. 约翰不得不努力工作以赶上别人。
- We must study harder to keep up with the time. 我们必须努力学习,不落后时代。
- They are trying hard to keep up with technical developments. 他们努力跟上技术发展。
- It's hard to keep up with the changes in computer technology. 跟上计算机技术的变化是很难的。
- It's hard to keep up with all the changes in fashion. 要跟上时尚流行的变化是很困难的。
- John has to work hard to keep up with his classmates. 约翰得努力干才能跟上他的同学们。
- They're trying hard to keep up with technical developments. 他们努力跟上技术的发展。
- We have to work hard to keep up with these excellent students. 为了跟上那些优秀学生, 我们得努力学习了。
- Owen found it hard to keep up with his old friend Tom. 欧文发现很难和老朋友汤姆取得联系。
- He has to work hard to make enough money to keep up to her spending. 他为了挣够她花费的钱而不得不努力工作。
- The manager is a heavy drinker. It's going to be hard to keep up with him. 经理酒量很大,要比上他可得辛苦了。
- Things are changing so fast that it is hard to keep up with the time. 每种事物变化是那么快,使你很难跟上时代。
- Castles in the air cost a vast deal to keep up. 空中楼阁,要有一大笔费用来维持。
- It is because your ideas are out of step with the times that you find it hard to keep up with it. 正是由于你的思想与时代不同步,你才会认为很难跟上时代的步伐。
- She likes to keep up with the latest fashions. 她喜欢穿戴入时。
- To beat the competitors, we must work hard to keep up with the international level. 要想打败对手,我们必须努力达到国际水平。
- A pianist has to practice every day to keep up to scratch. 钢琴手要天天练习才能保持高水平。