1.bump into 撞上，碰到
例句：Well, I don't bump into you much these days.
噢，我最近老是没碰见你。
2.brush off 刷去，丢弃，脱落
例句：Nixon was less likely to brush off the bearer of unwelcome intelligence.
尼克松不大可能对他的逆耳之言置之不理。
3.bunch up 聚成一团
例句：Cross the road one at a time don't bunch up.
一次一个地过马路--别都挤在一起。
4.brush aside 扫除，漠视，不理，不顾
例句：The politician is trying to brush aside the scandal.
那位政治家试图无视这起丑闻。
5.build up 增进，加强
例句：Take part in the physical exercises and build up your strength.
参加体育活动增强体力。
6.stand up 站起来，坚持，树立
例句：Always stand up for your friends.
要永远维护朋友的利益。