zì gān duò luò
to abandon oneself (idiom)
to let oneself go
自
zì
(bound form) self; oneself
甘
gān
abbr. for Gansu Province 甘肅省|甘肃省[Gan1 su4 Sheng3]
堕
duò
to fall; to sink
落
luò
to fall or drop