加快jiākuài 1.使变得更快{accelerate; quicken; speed up; become quicker}: ～建设进度{accelerate the construction}|他～了步子,走到队伍的前面。{He quickened his steps until he found himself walking in the van of the contingent.} 2.铁路部门指持有慢车车票的旅客办理手续后改乘快车。{passenger holding a slow train ticket changes to an express train after going through necessary formalities}