cut across 抄近路,走捷径
cut down(on) 削减,降低
cut off 阻断;切断,使隔绝
drop by/in 顺便来访(无意的)
fall back on 求助于,转而依靠
fall behind 落后
fall in with 碰见;符合,与......一致
get across 解释清楚,使人了解
get along/with 有进展;生活得,过得
get at 够得着,触及;意思是,理解