英和和英

lift (up) one's heart [spirits]

Cheer up!

to depress one's spirits

full of vim and vigor

fortify oneself

to damp one's spirits―cast a damp over one's spirits―strike a damp into one's spirits

rally one's spirits

They are in low spirits―depressed in spirits―dispirited.

with vigor

to keep up one's spirits

They are elated in spirits―in high spirits―in high feather―in roaring health.

become heartened or elated

Dutch courage―pot-valour.

the act of encouraging someone

I'm motivated.

He is in exuberant spirits.

Felt better

He is wanting in energy

He is exuberant spirits―brimming over with spirits.