loon

noun

/luːn/

a large North American bird that eats fish and makes a noise like a laugh潜鸟（北美食鱼大鸟，叫声似笑声）Topics Birdsc2
(also loony)
(informal, offensive) a person who has strange ideas or who behaves in a strange way狂人；疯子；怪人
- That guy’s a real loon.那家伙是个真正的疯子。

词源sense 2 late 19th cent.: from loon (referring to the bird's actions when escaping from danger), perhaps influenced by loony.sense 1 mid 17th cent.: probably by alteration of Shetland dialect loom, denoting especially a guillemot or a diver, from Old Norse.

词汇	loon
释义	loon noun /luːn/ /luːn/ a large North American bird that eats fish and makes a noise like a laugh潜鸟（北美食鱼大鸟，叫声似笑声）Topics Birdsc2 (also loony) (informal, offensive) a person who has strange ideas or who behaves in a strange way狂人；疯子；怪人 That guy’s a real loon.那家伙是个真正的疯子。词源sense 2 late 19th cent.: from loon (referring to the bird's actions when escaping from danger), perhaps influenced by loony.sense 1 mid 17th cent.: probably by alteration of Shetland dialect loom, denoting especially a guillemot or a diver, from Old Norse.
随便看	unnoisiest unnoisily unnoisy unnominal unnominally unnominated unnominative unnoosed unnormal unnormalizing unnormally unnormalness unnormalnesses unnormative unnorthern unnosed unnotational unnoticeableness unnoticeablenesses unnoticeably unnoticed unnoticing unnoting unnotional unnotionally