蓝缕 Traditional form: 藍縷 Pinyin (reading): lánlü Definitions: variant of 襤褸/褴褛 (lánlü) Characters: 蓝 - blue; indigo plant; surname 缕 - strand, thread; detailed, precise Traditional characters: 藍 - blue; indigo plant; surname 縷 - strand, thread; detailed, precise