好了傷疤忘了疼

to forget past pains once the wound has healed (idiom)

good / well / proper / good to / easy to / very / so / (suffix indicating completion or readiness) / (of two people) close / on intimate terms / (after a personal pronoun) hello

to be fond of / to have a tendency to / to be prone to

good / appropriate; proper / all right! / (before a verb) easy to / (before a verb) good to / (before an adjective for exclamatory effect) so / (verb complement indicating completion) / (of two people) close; on intimate terms / (after a personal pronoun) hello

to be fond of; to have a tendency to; to be prone to

(completed action marker) / (modal particle indicating change of state, situation now) / (modal particle intensifying preceding clause)

to finish / to achieve / variant of 瞭|了[liao3] / to understand clearly

(of eyes) bright / clear-sighted / to understand clearly

unofficial variant of 瞭[liao4]

to injure / injury / wound

scar / CL:道[dao4]

scar / scab

to forget / to overlook / to neglect

(it) hurts / sore / to love dearly

(it) hurts; sore / to love dearly