xiàn shí
考虑问题，不能脱离现实。
kǎo lǜ wèn tí, bù néng tuō lí xiàn shí
When considering problems, one cannot be detached from reality.
这个计划不现实
zhè ge jì huà bù xiàn shí
This plan is unrealistic.
这是一个比较现实的办法。
zhè shì yí ge bǐ jiào xiàn shí de bàn fǎ
This is a relatively realistic/practical method.