1.She is fond of singing and often takes part in competitions regarding(regard) music.Every time she performs, her liveliness (lively) can give life to the audience.
2.In addition to the elderly and middleaged, many young people also like square dancing, because dancing to the music can make them very relaxed(relax).
3.He often makes contact with his friends and relatives (relative), and he feels it a pleasure to share feelings and ideas with them.
4.One of his ambitions (ambition) is to become a firstrate pianist,interpreting (interpret) the world with his piano.To achieve it, he must combine his talent with/and hard work.
5.I feel honoured (honour) to say a few words about voluntary (volunteer) work at the meeting.If everyone draws upon/on their spare time to do bits for our society, the world will become better and better.
wouldn't have_won(win) the championship.