czuć się smutnym

She always felt sad at the end of the run.

How could those two simple little words make him feel so sad?

Can people feel happy and sad at the same time?

Like my son, I remember the good times and feel sad.

Most people feel sad or low at some point in life.

You may feel too sad to want to talk to people.

I felt so sad about people having lost their lives.

I don't want people to look at me and feel sad.

She felt a little sad thinking about it all, especially the doctor.

Not sure why, but I feel a bit sad about this one.