寻找它（俚语）
The hound picked up the fox's smell and started to chase after it.───猎犬嗅出了狐狸的气味，便开始跟踪追赶。
Bear Stearns is still standing only because JPMorgan Chase was solid enough to prop it up.───贝尔斯登之所以现在还能不倒，完全是因为摩根大通有足够扎实的实力能把它支撑起来。
schools do not see it as their job to chase up missing elements of an application.───申请中少点什么，商学院可不会认为那是他们的事。
This gives you time to chase it up if there have been any hiccups.
camp it up───扎营
chase up───追上
chased up───追上
chases up───追上来
ham it up───做得过火
booze it up───嗜酒成习
cast up───呕吐；加在一起
chain up───锁住
chasing up───追上