old troutBritish EnglishBrE spokenUNPLEASANT an unpleasant or annoying old person, especially a woman 老家伙,老东西〔尤指老妇人〕old trout• Consequently, as older trout die they are not replaced and in time the trout population disappears.• And she hadn't said when the disagreeable old trout was going to walk.• She had insisted on coming with me to refresh, so she said, her memory of that ghastly old trout.
→ old trout at trout(1)