英文原版：

Keyboard shortcuts save you time by helping you quickly explore your reading list without moving your hand back and forth between your keyboard and mouse. Here are the keyboard shortcuts for Google Reader:

j/k	item down/up	selects the next/previous item in the list
space/shift-space	page down/up	moves the page down/up
n/p	scan down/up	in list view, selects the next item without opening it
o	open/close item	in list view, expands or collapses the selected item
enter	open/close item	in list view, expands or collapses the selected item
s	toggle star	stars the selected item
shift-s	toggle share	shares the selected item
m	mark as read/unread	switches the read state of the selected item
t	tag an item	opens the tagging field for the selected item
v	view original	opens the original source for this article in a new window
shift-a	mark all as read	marks all items in the current view as read
1	expanded view	displays the subscription as expanded items
2	list view	displays the subscription as a list of headlines
r	refresh	refreshes the unread counts in the navigation
shift-n/p	navigation down/up	selects the next/previous subscription or folder in the navigation
shift-x	navigation expand/collapse	expand or collapse a folder selected in the navigation
shift-o	navigation open subscription	opens the item currently selected in the navigation
gh	go to home	goes to the Google Reader homepage
ga	go to all items	goes to the "All items" view
gs	go to starred items	goes to the "Starred items" view
gt	go to tag	allows you to navigate to a tag by entering the tag name
gu	go to subscription	allows you to navigate to a subscription by entering the subscription name