I must point that it's unpractical without any mistakes.

我必须指出不犯错误是不现实的.

《简明英汉词典》

Miss Ophelia is gay, easy, unpunctual, unpractical, sceptical.

奥菲丽亚小姐是个快活的人, 性情随和, 潇洒不羁 、 不切实际 、 玩世不恭.

辞典例句

You're surely not suggesting that the project is unpractical.

你当然不是在暗示这方案不可行吧.

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Defects in a system of evaluation make aesthetic education in mathematics unpractical.

评价体制的单一和狭隘,使数学中的美育成为一纸空谈.

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Because of the limitation of conditions, substituting for Antidumping Law with Competitive Law is also unpractical.

由于条件的限制, 竞争法取代反倾销法也缺乏现实性.

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It is unpractical for an employee to jump to another company with unsuitable scope.

从雇员规模看,同一管理级别跨规模跳槽,几乎是不现实的.

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