It's a constant struggle to try to keep them up to par.

要让他们达标，需要不断努力。

柯林斯例句

His performance was not up to par.

他的表演不合格。

柯林斯例句

The TV programme was not up to par tonight.

今晚的电视切目不如往常好.

《简明英汉词典》

I didn't think her performance was up to par.

我认为她表现得不及平时.

辞典例句

Your ideas haven't been up to par lately.

最近你的一些设想实在都不正常.

辞典例句

I just have not been feeling up to par lately.

感觉身体正常.

互联网

His driving wasn't quite up to par and he lost the race.

他的驾驶技术不够好,因此输掉了比赛.

互联网

Quality was not up to par and clients rejected the goods and delayed payments.

品质达不到标准,客户拒绝收货就会延迟付款.

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Fortunately for them , most equity funds are on their way back up to par values.

他们很幸运, 多数股票型基金的净值都在向面值回升.

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The are not up to par. They are inferior compared to the original sample.

这些货物未达标准, 它们比原样品差.

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