Don't open the door no matter who knocks.

Opportunity knocks but once.

良机难再.

《现代汉英综合大词典》

Opportunity knocks at the door only once.

机不可失,时不再来.

《简明英汉词典》

The longest pole knocks the most persimmons.

竿子最长打的柿子最多,强者常胜.

辞典例句

This kind of news knocks you back a bit, doesn't it?

这种消息使你有点儿吃惊, 是 吗 ?

《简明英汉词典》

The art market has suffered some severe knocks during the past two years.

在过去的两年间，艺术品市场遭受了严重的打击。

柯林斯词典例句库

Silver had terrible hard work getting up the knoll.

对于希尔弗来说,爬上那小山丘真不是件容易事.

英汉文学 - 金银岛

Mr. Knoll uses several products to create an everyday style that looks well-groomed but not contrived.

科诺尔每天会用好几种美发用品打造出整洁却又不显做作的发型.

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A serpentine column moving through the elephant grass on the back of a knoll.

一列蜿蜒拄型的纵队正穿行在草木稀少的小山背后.

互联网

He looked around on that knoll for a while , transfixed with amazement, and then went down.

他呆呆的在那小山丘上望了一会儿, 走下来.

互联网

A slight knoll in the grass shows where the temporary railway line once ran.

草地里的小丘显示着铁路曾经过的轨迹.

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By courtesy of the Museum of Modern Art, New York , gift of Knoll Associates, Inc.

巴塞隆纳椅,密斯?范?德?罗厄设计于1929年; 现藏纽约市现代艺术博物馆.

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After knoll to see the Boundary Obelisk, we had a swim at Kau Leng Chung Beach.

看过屿南界碑后,于狗岭涌沙滩分别下过咸淡水.

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John Terry was actually the gunman on the grassy knoll.

特里其实就是躲在碧草丘上刺杀肯尼迪的凶手.

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She tied a pretty knot at the end of her pigtails.

她在辫子的末梢打了一个花结.

《现代汉英综合大词典》

The knot has come untied.

扣儿开了.

《现代汉英综合大词典》

He made a knot in the rope.

他在绳子上打了个结.

《简明英汉词典》

Knot the ends of rope together.

把绳头结在一起.

网络期刊摘选

Third is taking the imagination as the knot, and the huge artistic senility.

三是以意象为纽结 、 充满动感的巨大艺术张力.

网络期刊摘选

Gather them and tie them in a knot.

把它们收集起来打成一个结.

网络期刊摘选

A knot of people stood talking outside the door.

一群人站在门外聊天.

《简明英汉词典》