keep sb from doing sth
keep sb do还是doing
keep sb 加形容词
keep sb adj
keep sb to do
keep sb from sth
keep sb up
keep sb updated
keep sb away
keep sb/sth adj
keep sb. company
keep sb company是什么意思
keep sb interested
keep sb updated on
keep sb doing
keep sb informed
keep sb from doing sth是什么意思
keepsbsth+adj
keep官网