adv.并肩地；跟上
They walked two or three abreast. 他们两三个人一排地走着。
Hayes' horse fell abreast of his father's. 海斯和他父亲骑马并肩而行。
Many people stood abreast to listen to him. 许多人并肩站着听他说话。
Many people get abreast of what is gong on by reading newspapers. 许多人通过读报来了解并跟上时代的发展。
We must keep abreast of [with] the times. 我们必须跟上时代。
abreast的基本意思是“并列,并排”,在句中常用作状语(多位于词尾)或表语，用作表语时常用于be〔keep〕 abreast of〔with〕短语中。
abreast不用于比较等级。
