siła psychiczna

I feel like I'm pushing my limits of physical and mental strength.

I only had two days to recoup my mental and physical strength.

They lost their mental strength after qualifying for the world cup.

The long day had drained my physical and mental strength.

Throughout the day, the audience sent in their stories of physical and mental strength.

The reason I didn't tell her before was because she doesn't have the mental strength to accept anything like that.

I wouldn't hesitate for a moment to strike back with all of my mental strength!

With great relief, though, she found some of her mental strength returning.

There's one important thing nobody's mentioned yet, which says a lot about Murray's mental strength and focus.

Must have great mental strength to come through the years he has had.