"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.
Brooks was abreast of the leading runner for a few minutes but then fell behind.
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.
Even this arrangement did not keep wages abreast of the rising living cost.