up to now
近义词：yet，sofar，untilnow，hitherto，asyet，heretofore，todate，thusfar，
英英释义
Adverb
- used in negative statement to describe a situation that has existed up to this point or up to the present time;
"So far he hasn't called" "the sun isn't up yet"
- prior to the present time;
"no suspect has been found to date"