It's a realistic idea.

这是个很实际的想法。

youdao

He has a realistic idea of what he can accomplish, and he moves purposefully toward his goal.

他能脚踏实地，知道可以实际做些什么，同时果断地奔向自己的目标。

youdao

Then sometimes the message or idea is unrealistic, but executed in a realistic manner to make it appear believable.

而有时信息和想法虽然不真实，却以真实的方式让它令人信服地呈现出来。

youdao

This includes having a realistic idea of the amount of human and financial means needed.

UNESCO: New data collection tool to improve TVET statistics in C?te d'Ivoire | United Nations Educational, Scientific and Cultural Organization

Interviews that focus on what the job is like can give individuals a realistic idea of what work will be like in the organization.

FORBES: Job Interviews: Users Beware

The guidelines advise researching the background and experience of a chosen surgeon, being aware of any risks and possible side-effects and having a realistic idea of what can and cannot be achieved.

BBC: NEWS | Health | 'Do not rush into cosmetic surgery'