define-word 是 abo-abo 写的一款英-英词典的插件，它实际上是借助 Wordnik 这个字典网站来进行释义的。

osx-dictionary 顾名思义是借助 Mac OSX 中的 Dictionary.app 来进行翻译的。

osx-dictionary-search-word-at-point

Search word at point and display result with buffer

osx-dictionary-search-input Search

input word and display result with buffer

GNU Emacs itself has no idea what a Chinese word is, If you want Emacs to get the most likely Chinese word under the cursor, you have to set osx-dictionary-use-chinese-text-segmentation to t and install a Chinese word segmentation tool, please refer to chinese-word-at-point#prerequisite for more info.

google-translate , an “Emacs Interface to Google Translate”. With this I could highlight a string in visual mode, run the google-translate-at-point command (bound to SPC x g t in Spacemacs), and have the translation displayed in a new buffer.