abreast
/əˈbrest; ə`brɛst/ adv
1 ~ (of sb/sth) side by side (with sb/sth) and facing the same way 并列; 并排
cycling two abreast 两辆自行车并行
The boat came abreast of us and signalled us to stop. 小船开过来与我们并排, 发出讯号要我们停下.
2 (idm 习语) be/keep abreast of sth be or remain up to date with or well-informed about sth 跟上某事物
You should read the newspapers to keep abreast of current affairs. 应该看报以便 解时事.