善罷甘休

to leave the matter at that / to be prepared to let go / to be willing to take things lying down

good (virtuous) / benevolent / well-disposed / good at sth / to improve or perfect

to stop / to cease / to dismiss / to suspend / to quit / to finish

(final particle, same as 吧)

surname Gan / abbr. for Gansu Province 甘肅省|甘肃省[Gan1 su4 Sheng3]

sweet / willing

to rest / to stop doing sth for a period of time / to cease / (imperative) don't