plain
美[plen] adj.平的；素的；清晰的；相貌平平的
adv.清楚地，明白地；平易地；[用以加强语气]显然；完全地
vi.发牢骚；诉苦
网络平原；明白；平纹；平的
1 . It's plain that he adores his daughter, and the feeling is mutual.
明摆着他很喜欢自己的女儿，而且女儿也喜欢他。
来自柯林斯例句
2 . Patterson pointed toward a plain cardboard box beneath a long wooden table.
帕特森指着长木桌下的一个普通的纸板箱。
来自柯林斯例句
3 . Pregnancy wasn't all plain sailing and once again there were problems.
孕期并非一帆风顺，这不，又出现问题了。
来自柯林斯例句
4 . It is stranded somewhat forlornly in the middle of the plain .
它有些孤零零地立在平原中央。
来自柯林斯例句
5 . He wore a plain blue shirt, open at the collar.
他穿一件素净的蓝色衬衫，领口敞着。
来自柯林斯例句
1.extensive tract of level open land;
they emerged from the woods onto a vast open plain
2.a basic knitting stitch
3.clearly apparent or obvious to the mind or senses;
the effects of the drought are apparent to anyone who sees the parched fields
4.not elaborate or elaborated; simple;
plain food
5.lacking patterns especially in color
6.not mixed with extraneous elements;
plain water
7.free from any effort to soften to disguise;
the plain and unvarnished truth
8.lacking embellishment or ornamentation;
a plain hair style
9.lacking stylistic embellishment;
a literal description
10.comprehensible to the general public;
written for the popular press in plain nontechnical language
11.lacking in physical beauty or proportion;
a homely child
12.unmistakably (`plain' is often used informally for `plainly');
the answer is obviously wrong
1.express complaints, discontent, displeasure, or unhappiness;
My mother complains all day