在正常模式下删除两个空格之间的所有字符:

daW

只删除一个词:

daw 

正常模式:

daw : delete the word under the cursor    
caw : delete the word under the cursor and put you in insert mode 

既然有这么多删除单词的方法，让我们来举例说明。

假设你编辑:

foo-bar quux

当光标在'bar'中的'a'上时调用一个命令:

foo-bquux  # dw:  letters then spaces right of cursor
foo-quux   # daw: letters on both sides of cursor then spaces on the right 
foo- quux  # diw: letters on both sides of cursor
foo-bquux  # dW:  non-whitespace then spaces right of cursor
quux       # daW: non-whitespace on both sides of cursor then spaces on the right
 quux      # diW: non-whitespace on both sides of cursor

以下内容适用于普通模式:我同意Dan Olson的回答，对于大多数删除操作，您应该处于正常模式。详情如下。

如果光标在单词内: 在单词中删除(不包括空格) 删除单词周围(包括下一个单词前的空格)。

如果光标位于单词的开头，只需按dw。

这可以通过添加用于移动的常用数字来相乘，例如2w向前移动2个单词，因此d2w删除两个单词。

Insert Mode ^w The idea of using hjkl for movement in Vim is that it's more productive to keep your hands on the home row. At the end of a word ^w works great to quickly delete the word. If you've gone into insert mode, entered some text and used the arrow keys to end up in the middle of the word you've gone against the home-row philosophy. If you're in normal mode and want to change the word you can simply use the c (change) rather than d (delete) if you'd like to completely change the word, and re-enter insert mode without having to press i to get back to typing.

在正常模式下删除两个空格之间的所有字符:

daW

只删除一个词:

daw 

你应该做的是创建一个特定键的imap到一系列的命令，在这种情况下，命令会让你进入正常模式，删除当前的单词，然后把你放回插入:

:imap <C-d> <C-[>diwi