side by side (with sb/sth) and facing the same way
"kept abreast of the latest developments"
"constant revision keeps the book au courant"
"always au fait on the latest events"
"up on the news"
They..passed in on to the grass, four abreast.
出自： D. H. Lawrence
Three policemen came down the hall abreast, in step.
出自： J. Irving
This building is abreast of the tip of the island.
Read the papers if you want to keep abreast of time.
She kept abreast with the flood of communications that had poured in.
她及时回复如雪片般飞来的大批信件。 keep sth abreast of〔with〕 sth
Even this arrangement did not keep wages abreast of the rising living cost.