But wind power is uncertain, sometimes providing too much electricity and sometimes too little.

不过，风能的获取是不稳定的——有时风力提供的电力会过多，有时则会不足。

youdao

Battles throws all of its past projects to the wind and embraces the uncertain and glorious future.

Battles抛却过去，去拥抱未知却灿烂的将来。

youdao

Due to the intermittency of wind energy and the non-linearity of power system, there exist many uncertain variables which should be considered in the wind power prediction.

由于风能的随机性以及电力系统的非线性等原因，预测风电功率时需要考虑众多的不确定因素影响。

youdao

It is uncertain how long the case will take to wind its way through the legal channels.

CNN: Coleman to argue Franken won by bogus recount

When the organization appeared lukewarm, I finally threw caution to the wind and itemized briefly but clearly and in no uncertain terms exactly why they should book me.

FORBES: If You Don't Feel Like You're Bragging, You're Probably Underselling Yourself