- [countable, uncountable] (plural trout)
a common freshwater fish that is used for food. There are several types of trout. 鲑；鲑鳟鱼；鳟鱼 
rainbow trout 虹鳟 trout fishing 捕鳟鱼 Shall we have trout for dinner? 我们正餐吃鳟鱼好吗？ The trout spawn in late summer or autumn. 鳟鱼在夏末或秋季产卵。
Oxford Collocations Dictionaryadjective- fresh
- smoked
- wild
- …
- fish for
- tickle
- catch
- …
- spawn
- fishing
- farm
- fishery
- …
- [countable, usually singular] (usually old trout)(informal, disapproving)
an annoying or angry old woman 恶婆子；讨厌的老太婆
Word Originlate Old English truht, from late Latin tructa, based on Greek trōgein ‘gnaw’.