1 heartstrings

1 string (of a stringed instrument)

1 sanxian, large family of 3-stringed plucked musical instruments, with snakeskin covered wooden soundbox and long neck, used in folk music, opera and Chinese orchestra

1 to wind

2 to tighten

3 crescent moon

4 first quarter or waxing moon

1 first quarter moon

1 incessant playing of instruments and reciting of poems (idiom)

1 change of string, move out of rut (idiom); dramatic change of direction

2 to dance to a different tune