I don't feel like doing something.

意思是现在没心情做某事。

youdao

I feel like doing something different today.

今天我想做点不一样的事。

youdao

No. I feel like doing something different today.

不。我觉得今天应做点别的事情。

youdao

Also,you can monkey around when you feel like doing something, but have no firm idea of what to do.

VOA: special.2011.03.13

When you're in a group doing something terribly aggressive and you are not--you don't feel like you're at risk you might laugh and laughter is a signal to other members of your group as a signal of solidarity and what you're doing together.

当你在群体在做具有强烈攻击性的行为时,你不会觉得自己有危险,你会笑,你笑是向其他群体成员传达一个信号,你们团结一致，共同进退。

耶鲁公开课 - 心理学导论课程节选

I feel like" describes what you feel in the moment, something you feel like doing.

I feel like” 可以用来表达你在这一时刻的心情，表明你想要做的事情。

I feel like 课堂 - SpeakingMax英语口语达人

When I help I feel like I am doing something right.

WHITEHOUSE: Following My Purpose

Because I feel like if you're doing something wrong, then good, he should be tapping, you know.

NPR: Bush Challenges Eavesdropping Detractors

Though my efforts likely aid only a few hundred birds a year, it makes me feel like I'm at least doing something to help stem their decline.

WSJ: Giving Birds a Refuge--WSJ Weekend Gardener