up on (something)

Very familiar with or knowledgeable about something. Sorry, I'm not up on archaeology. You should ask Professor Layton. My parents are up on all sorts of cool new music, much to the surprise of my friends. Make sure you stay up on the policy changes that will be implemented throughout the year.

up on someone or something

Fig. knowledgeable about someone or something. Ask Tom about the author of this book. He's up on stuff like that.

词组	up on (something)
释义	up on (something) up on (something) Very familiar with or knowledgeable about something. Sorry, I'm not up on archaeology. You should ask Professor Layton. My parents are up on all sorts of cool new music, much to the surprise of my friends. Make sure you stay up on the policy changes that will be implemented throughout the year. See also: on, up Farlex Dictionary of Idioms. up on someone or something Fig. knowledgeable about someone or something. Ask Tom about the author of this book. He's up on stuff like that. See also: on, up McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. See also: up on familiar familiar with familiar with (someone or something) know about know about (someone or something) feel out of things have on the ball have something on the ball know (one's) beans
随便看	run away (from someone or something) run away with run away with (one) run away with (one's) tail between (one's) legs run away with (something) run away with the idea run away with the idea/notion run away with the notion run back run back over run back to run back (to someone or something) run before you can walk run behind run between run between (someone or something) run by run by someone run by (some place) run circles around run circles around someone run circles around (someone or something) run circles/rings around, to run circles round (someone or something) run counter to