•She wore a plain black dress.她穿着一件朴素的黑色连身裙。

•We've chosen a plain carpet (= one without a pattern) and patterned curtains.我们挑了一张没有图案的地毯和带图案的窗帘。

•He prefers plain food - nothing too fancy.他喜欢清淡简单的食物——不喜欢太花巧讲究的。

•We're having plain blue walls in the dining room.我们现在客厅里的墙壁是纯蓝色的。

•a catalogue sent in a plain brown envelope用纯褐色信封寄出的目录

•a plain style of architecture简朴的建筑风格

•plain (= with no added fruit or sugar) yoghurt原味酸乳酪

•a letter written on plain paper用白纸写的一封信

---

•The reason is perfectly plain.原因很清楚。

•I made it quite plain (that) (= explained clearly that) I wasn't interested.我直截了当地表示我不感兴趣。

---

•It was plain stupidity on Richard's part.理查愚蠢至极。

---

•She had been a very plain child.她小时候并不是个漂亮的孩子。

•If she'd been a plain Jane, she wouldn't have had all the attention.假使她像平凡的珍妮，她就不会成为大众的焦点。

---

•He's not happy here - that's as plain as the nose on your face.他在这里并不愉快——这是显而易见的。

---

•The roads were busy as we drove out of town, but after that it was plain sailing.我们开车离开市区时路上很拥挤，但往后就一路顺畅。

---

•the coastal plain海边的平原

•High mountains rise above the plain.高山从平原拔地而起。

---

•a row of plain and two rows of purl一排平针两排反针

---

•I mean, taking the wrong equipment with you - that's just plain stupid.我的意思是，你拿错仪器简直是愚蠢透顶。