Google Pinyin How to delete a custom vocabulary

Google Pinyin support to delete the custom vocabulary function, the method is consistent with the input vocabulary, only in the end with "ctrl-shift-[n]" instead of the number key [N] can. For example, if you want to delete the word "beta version", first enter "Ceshibanben", and "beta version" will appear as the first candidate, then press "Ctrl-shift-1" to remove the custom term. Note that the Delete vocabulary feature does not remove the vocabulary from the system thesaurus, only the user-defined vocabulary can be deleted.