勇气

This gave a ray of courage to him.

He was overcome by a sudden loss of courage.

They have courage and do not give in easily.

strong nerves; terrific guts

one's courage oozes/leaks away

one's courage weakens

one's courage doubles

strengthen one's heart; fortify one's courage

have the backbone (to do sth); command courage

break sb's nerve

lose one's nerve/courage

lack the backbone; be lacking in courage; be deficient in courage

demonstrate/display one's courage; show one's mettle

test/try sb's mettle; set sb upon his mettle

inspire the spirit of sb

recover/regain one's courage; take one's courage in both hands; regain one's nerve (to do sth)

take/find courage; pluck up one's courage; summon/muster/screw up one's courage; take heart of grace; get up one's nerve to do sth

draw courage (from)

abound in courage

show courage/daring