He must feel unfair.

他一定会觉得不公平。

youdao

You may be going through difficult times right now and feel like dropping off the planet. You're discouraged because the situation you face seems unmanageable, unreasonable, or unfair.

也许你现在正处于艰难的时期，感觉像坠入谷底。你因为面临的情况看起来无法掌控，无法解释或者不公平而感到沮丧。

youdao

It's unfair for anyone to feel that talking to one parent is being disloyal to the other or that the burden of one parent's happiness is on your shoulders.

如果跟父母中的一方说话就是对另一方不忠，或者其中一方把幸福全压在你的肩上，这是不公平的。

youdao

So yes, while fees may feel unfair the reality is banks need to be able to generate healthy revenue and income.

FORBES: No Surprise Here, Bank Of America Looks To Charge More Fees

And as for those scandalous rejections, we know that it can feel very unfair to be turned down.

BBC: A Point of View: The Oxbridge interview

Yet customers may feel it unfair for retailers to charge customers differently for the same product, based on hunches about how much they can be stung for.

ECONOMIST: Online prices