Bump means hitting something by accident and with a dull sound

The explosion had a dull, metallic sound.

这次爆炸发出低沉的金属似的声音。

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It was a low, dull, quick sound like a watch makes when inside a piece of cotton.

这是匆匆传来的模模糊糊一阵低沉声音——简直象蒙着棉花的表声。

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The endless rain seemed to dull all sound.

连绵不断的阴雨似乎使所有的声音都变得沉闷起来。

《牛津高阶英汉双解词典》

A heavy dull sound ( as made by impact of heavy objects).

（重物的击打）发出的沉闷的声音。

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And have I not told you that what you mistake for madness is but a kind of over-sensitivity? Now, there came to my ears a low, dull, quick sound, such as a watch makes when inside a piece of cotton.

我不告诉你，你的错误，而是一种狂妄over-sensitivity吗？现在，我又听见一个低、暗哑、快捷的声音，如表使里面的一块棉的时候。

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He continued on until the shovel made a dull sound as if it had struck something hard.

哈桑持续不断地挖，直到铁锹发出一声沉闷的声响，好像碰到了什么坚硬的东西。

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There is a dull sound coming from the darkness.

在黑暗中传来模糊的声音。

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That same dull throb of sound was borne to the listeners again.

与此同时，那种沉闷的声音又灌进他们的耳鼓。

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The pickaxe struck for a moment with a dull sound that drew out of Dant è s'forehead large drops of perspiration.

鹤嘴锄最初敲上去时只发出了一声沉重浑浊的声音，那种声音使唐太斯的前额挂满了大滴的冷汗。

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What is the dumbest, most ridiculous rumor that has been printed about you?

什么是最愚蠢的，最可笑的谣言，说有印上你呢？

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This is the dumbest of all mistakes and the most commonly committed too.

这是最愚蠢的错误，而同时也是最容易犯的。

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Boy, this is the dumbest idea for a business.

哥们，这个商业点子可真够愚蠢的。

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This is the dumbest kid in the world.

这是世界上最愚蠢的孩子。

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To his classmates and even to his teachers, he was thought of as the dumbest kid in the class, according to his own not so fond memories.

在他自己不是那么美好的回忆中，他的同学甚至他的老师都认为他是班上最笨的孩子。

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This programme disproves the theory that TV, a middlebrow medium, is neither as smart as the smartest films nor as dumb as the dumbest.

该节目不赞同如下理论：作为中等品味媒体的电视既不如最富智慧的电影那样睿智，又不像最笨拙不堪的电影那样笨拙。

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Select the lines that you want to run. To edit a line, click it, and then click Edit.

请选择要运行的命令行。要编辑命令行，请单击它，然后单击编辑。

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By default you can use the cursor keys, and backspace, to move around and edit the input line, just like with the Bash shell.

可以缺省地使用光标和退格键来移动和编辑输入行，就象在Bash shell中一样。

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The main command prompt within bash provides both the ability to edit the command line and a history function, remembering individual command lines so that you can execute them again.

bash中的主命令提示符同时提供了编辑命令行的能力和历史记录功能，后者记住各个命令行，以便您能够再次执行它们。

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Seam truly does all the hard work for you& you don't even have to edit a single line of XML to start using it!

Seam真的可以为您完成所有的辛苦工作&您甚至都无需编辑一行XML，就可以开始使用它！

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For example, in the/ etc/ pam.d/login file, edit the line containing the pam_namspace.so

例如，在/etc/pam.d/login文件中，编辑包含pam namspace.so模块的行，如下所示

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