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。

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。

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。

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

（重物的击打）发出的沉闷的声音。

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。

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。

There is a dull sound coming from the darkness.

在黑暗中传来模糊的声音。

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。

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。

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？

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。

Boy, this is the dumbest idea for a business.

哥们，这个商业点子可真够愚蠢的。

This is the dumbest kid in the world.

这是世界上最愚蠢的孩子。

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。

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。

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。

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。

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。

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！

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