123. on the job: 在工作，上班中；随时准备行动，留心、警惕着 Drinking on the job was not acceptable. 在工作中饮酒是不被接受的。
124. bear something in mind: 记住某事/把某事记在心上 Bear in mind that we must guard against overeating. 记住，我们一定要警惕暴饮暴食。 guard against 避免，预防=be alert to sth./prevent from doing sth.
125. keep pace with: 并驾齐驱，保持同步 近义：catch up with 反义：fall behind Please don’t walk so fast. I can’t keep pace with you. 请不要走的这么快。我跟不上你。 与时俱进：keep up with (the) times/advance with (the) times
126. spell out: 详细说明，讲清楚，近义词有“specify” The book spells out everything very carefully. 本书很仔细的阐明了一切。
