不足

不足

Insufficiency; shortage; lack.

Here, "不足" indicates a deficiency or lack of something, specifically sleep.

睡眠不足のせいで疲れが取れません。

I cannot get rid of my fatigue due to lack of sleep.

In this context, "不足" refers to an insufficient amount of financial resources or funds.

このプロジェクトを進めるには資金が不足しています。

We lack funds to proceed with this project.

Here, "不足" signifies a lack or deficiency, in this case, physical activity or exercise.

最近は運動不足で体調が良くないです。

Recently, I have not been feeling well due to lack of exercise.