underKK [ˋʌndɚ] /ˈʌndɚ/介系詞1在…下面、在…底下The keys were hiding under a pile of old newspapers.鑰匙藏在一疊舊報紙下面。2低於、不到、少於Almost everything in this store costs under three hundred dollars.這家店裡幾乎每樣東西都不到三百元。3在…管理下、在…統治下、隸屬於The team has improved a lot under the new coach.在新教練帶領下，這支隊伍進步很多。4依照、根據正式Under the new rules, employees may work from home twice a week.依照新規定，員工每週可以在家工作兩天。5處於…中、在…狀態下The bridge has been under construction for almost two years.這座橋已經施工將近兩年了。顯示全部 11 個義項介系詞6以…名義、用…（名稱）She published her first three novels under a pen name.她的前三本小說是用筆名出版的。副詞1在下面、到下面、沉下去The swimmer dove and stayed under for almost a minute.那名泳者潛下去，在水面下待了將近一分鐘。2以下、不足This ride is only for children aged ten and under.這項設施只限十歲以下的兒童搭乘。3倒閉、破產口語Several small bookstores went under during the long recession.在漫長的經濟衰退期間，好幾家小書店都倒閉了。4昏迷、失去意識The anesthetic kept him under for nearly three hours.麻醉劑讓他昏睡了將近三個小時。形容詞1下面的、下層的Check the under surface of each leaf for tiny insects.檢查每片葉子的背面有沒有小蟲。