chestnut
chestnut
noun
an old chestnut
noun
- (亦作 sweet chestnut)a glossy hard brown edible nut, which may be roasted and eaten
栗子
■[mass noun]a deep reddish-brown colour
深红棕色，栗色
■a horse of a reddish-brown or yellowish-brown colour, with a brown mane and tail
栗色马
■a small horny patch on the inside of each of a horse's legs
（马腿内侧的）胼胝 - (亦作 chestnut tree, sweet chestnut，或 Spanish chestnut)the large European tree that produces the edible chestnut, which develops within a bristly case, with serrated leaves and heavy timber
欧洲板栗树 - Castanea sativa, family Fagaceae
拉丁名Castanea sativa，壳斗科
■short for horse chestnut
horse chestnut 的简称
［用于树名或植物名，这些树或植物与欧洲板栗有亲缘关系，或产类似坚果，或其可食部分与栗子相似，如water chestnut］
an old chestnut
- a joke, story, or subject that has become tedious and uninteresting because of its age and constant repetition
陈腐的笑话；老掉牙的故事；陈旧乏味的题材
- succeed in a hazardous undertaking for someone else's benefit
为某人火中取栗，为他人冒风险
- early 16th cent.: from Old English chesten (from Old French chastaine, via Latin from Greek kastanea) + nut
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