好端端 hǎoduānduān perfectly all right Definitions Defs Origin Strokes Stroke Words Sentences Sents hǎoduānduān perfectly all right 好 hǎo adverb very used before adjectives to emphasize degree; very; so; how端 duān reduplication upright (bound form) Upright; straight; proper in conduct or character.hǎoduānduān for no reason 好 hǎo adverb very used before adjectives to emphasize degree; very; so; how端 duān reduplication reason (bound form) A reason, cause, or origin; a point of contention or a disturbance.