be up on

be up on (something)

To have the most current knowledge about a particular subject or issue; to be up to date on (something). Make sure you're up on this account before our meeting tomorrow morning. I'm not too up on the policy changes happening this year—is there a reference guide I can consult?

be up on

be well informed about a matter or subject.

词组	be up on
释义	be up on be up on (something) To have the most current knowledge about a particular subject or issue; to be up to date on (something). Make sure you're up on this account before our meeting tomorrow morning. I'm not too up on the policy changes happening this year—is there a reference guide I can consult? See also: on, up Farlex Dictionary of Idioms. be up on be well informed about a matter or subject. See also: on, up Farlex Partner Idioms Dictionary See also: have a working knowledge of (something) have a working knowledge of something to (one's) knowledge to your knowledge to the best of (one's) knowledge knowledge (Don't ask me,) I just work here. (Don't ask me,) I only work here. pull the strings be on the same page
随便看	play hide the hot dog play hide the pickle play hide the salami play hide the sausage play hob play hob (with someone or something) play hookey play hooky play ignorant play in play innocent play in Peoria play in the big leagues play into hands play into somebody's hands play into someone's hands play into the hands of play it by ear play it by ear, to play it close to one's chest play it cool play it for all it's worth play it safe play it straight play kissy-face