be abreast of

• • 并肩，并列：

    His car was abreast of the leading car.

    他的车和跑在头里的车并驾齐驱。

  • 与(时代等)并进，与…齐头并列；使不落后于：

    We must be abreast of what is going on.

    我们必须跟上形势的发展。