hard to keep翻译

hard to keep的基本解释

读音: 美: 英:

难以保持：指某物或某种状态难以维持或保持下去。

例句

The mechanics work hard to keep the helicopters airworthy.机修工们为了保障直升机的适航性而努力工作着。《柯林斯英汉双解大词典》
It's hard to keep track of the children's comings and goings.这些孩子来来往往，很难跟得上他们的行踪。《牛津词典》
You need to work hard to keep ahead.你要努力才能保持领先优势。《牛津词典》

短语

hard to keep The Dream 梦难留
Be hard to keep Up 难乎为继
So hard to keep up 比博普爵士乐
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