having an even surface without points, lumps, bumps, etc; not rough 光滑的; 平坦的; 平靜的: a smooth skin 光滑的皮膚 * a smooth road 平坦的路面 * a smooth sheet of ice 光滑的冰 * a smooth sea, ie calm, free from waves 平靜的海面 * Marble is smooth to the touch, ie feels smooth when touched. 大理石摸起來很光滑. Cf 參看 rough1.
free from difficulties, problems, etc 順利的; 無困難的; 無問題的: as smooth a journey as possible 極為順利的旅途 * The new bill had a smooth passage through Parliament. 新法案在議會順利通過. * They made things very smooth for me, ie removed difficulties for me. 他們為我排除了困難.
moving evenly, without bumps, jolts, stops, etc 平穩的; 無顛簸的; 不搖晃的: a smooth ride in a good car 坐著性能好的汽車平穩的行駛 * a smooth landing in an aircraft 乘飛機平穩的著陸 * a smooth crossing by sea 平穩的海上橫渡 * smooth breathing 暢順的呼吸.
(of a liquid mixture) free from lumps; evenly mixed or beaten （指液態混合物）無顆粒的, 攪拌均勻的: smooth custard 調勻的牛奶蛋糊 * Mix the butter and sugar to a smooth paste. 把黃油﹑ 糖調勻成糊狀.
(a) tasting pleasant; not bitter 味美的; 不苦的: a smooth whisky 味醇的威士忌 * a smooth cigar 煙味柔和的雪茄. (b) (fig 比喻) flowing easily and evenly 流暢的: smooth verse 流暢的詩句 * a smooth voice 柔和的嗓音.
(often derog 常作貶義) (usu used of men) flattering and agreeable (but perhaps insincere); (too) polite （通常指男子）奉承而隨和的（但可為虛假的）; （過分）禮貌的: a smooth manner 圓滑的態度 * a smooth, plausible individual 八面玲瓏﹑ 油嘴滑舌的人.
(idm 習語) in smooth `water(s) making even and easy progress 進展順利; 壹帆風順: The business seems to be in smooth waters these days. 這些日子生意好像很順利. a smooth, slick, etc operator => operator. (as) smooth as `silk/a baby's `bottom/`velvet very smooth 十分柔軟﹑ 光滑: Her skin is still as smooth as a baby's bottom. 她的皮膚仍然十分柔軟﹑ 光滑. take the rough with the smooth => rough3.
> smoothie (also smoothy) (infml derog 口, 貶) n person (usu a man) who behaves in a smooth1(6) way 奉承而隨和的人（通常指男子）: Don't trust him he's a real smoothie! 別相信他--他凈順情說好話!
smoothly adv in a smooth manner 光滑地; 平坦地; 平靜地; 順利的: The engine is running smoothly now. 發動機現在運轉得很順暢. * Things are not going very smoothly, ie There are troubles, interruptions, etc. 事情進展得不太順利.
smoothness n [U]: the smoothness of her skin 她皮膚的柔軟光滑 * the smoothness of the sea 海面的平靜 * the smoothness of the negotiations 談判的順利進展.
# ,smooth-`tongued (also ,smooth-`spoken) adj (usu derog 通常作貶義) speaking in a smooth1(6) way; persuasive in speech 油腔滑調的; 能言善辯的: ,smooth-tongued `salesmen 能說會道的推銷員.