DICT.TW Dictionary Taiwan

 a·breast /əˈbrɛst/ 副詞
 並肩地, 平行地

 A·breast adv.
 1. Side by side, with breasts in a line; as, “Two men could hardly walk abreast.”
 2. Naut. Side by side; also, opposite; over against; on a line with the vessel's beam; -- with of.
 3. Up to a certain level or line; equally advanced; as, to keep abreast of [or with] the present state of science.
 4. At the same time; simultaneously. [Obs.]
    Abreast therewith began a convocation.   --Fuller.
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 abreast
      adv : alongside each other, facing on the same direction