thinned 是 thin 的過去式thinKK [ˋθɪn] /ˈθɪn/形容詞1薄的This jacket is far too thin for a cold winter.這件外套太薄，寒冬穿根本不夠。2瘦的、纖細的She looked pale and thin after two weeks in bed.她臥床兩週後看起來蒼白又消瘦。3細的Draw a thin line under the title of each chapter.在每一章的標題下面畫一條細線。4稀的、水水的The soup was too thin, so I added some flour.湯太稀了，所以我加了一些麵粉。5稀薄的The air gets very thin above four thousand meters.海拔四千公尺以上，空氣變得很稀薄。顯示全部 12 個義項形容詞6稀疏的His hair is getting thin on top, but he doesn't mind.他頭頂的頭髮越來越稀疏，但他並不在意。7薄弱的、站不住腳的The evidence against her is pretty thin at this point.目前對她不利的證據相當薄弱。8微弱的、細弱的She answered in a thin, tired voice from the next room.她在隔壁房間用細弱疲憊的聲音回答。動詞1變薄、變稀疏、減少The crowd thinned quickly once the rain started falling.雨一下下來，人群很快就變得稀疏。2稀釋、調稀Thin the paint with a little water before you start.開始之前先用一點水把顏料調稀。片語動詞1逐漸減少、變稀疏Traffic thins out after nine in the morning.早上九點過後車流就逐漸變少了。片語1分身乏術、精力過度分散口語He takes on too many jobs and spreads himself too thin.他接太多工作，結果弄得分身乏術。