gǎi xián yì zhé
change of string, move out of rut (idiom); dramatic change of direction
to dance to a different tune
改
gǎi
to change
弦
xián
bow string
易
yì
abbr. for 易經|易经[Yi4 jing1], the Book of Changes
辙
zhé
rut; track of a wheel (Taiwan pr. [che4])
