- 梅开二度 méikāi'èrdù to occur a second timeTo perform the same action or have the same event happen for a second time, often in sports referring to a player scoring two goals in a single match
- 二度梅 èrdùméi second marriage(idiom) to marry for a second time, traditionally used to describe a woman remarrying; also used more broadly to refer to any person remarrying
- 二度烧伤 èrdùshāoshāng second-degree burnburn that affects the dermis layer of the skin; symptoms include redness, swelling, and pain, as well as the appearance of blisters