1 to strive

2 to struggle

1 excited

2 excitement

3 (physiology) excitation

1 excited

2 stimulated

1 hardworking

2 diligent

1 to dash on bravely with no thought of personal safety (idiom); undaunted by dangers

2 regardless of perils

1 to dash on bravely with no thought of personal safety (idiom); undaunted by dangers

2 regardless of perils

1 lit. lone army putting up a brave fight (idiom)

2 fig. (of a person or group of people) struggling hard without support

1 to make an effort to become strong (idiom); determined to do better

2 to pull one's socks up

1 to prove one's worth through firm resolve (idiom)

1 to conceal one's strengths and bide one's time (idiom)

2 to hide one's light under a bushel