答：跟踪

follow the tracks of

trail

shadow

dog someone's steps

跟踪某人

have something in the wind

跟踪某物；得到某物的线索

tail after

尾随，跟踪；追随；紧跟在…后面

on the track of

掌握(某人行为或计划等)

跟踪追击，尾追；寻找

雷达跟踪 radar tracking

追踪

follow the trail of

track

trace

draw up the ladder after oneself

甩掉追踪的人，使人追不着

make tracks for

朝…而去；走向 2. 追赶；追踪

to track game 追踪猎物

A policeman ran after the young man and arrested him.

**追踪这个年轻人，并逮捕了他

Paparazzo's are always chasing hot gossip.

狗仔队总是追踪报道热门的八卦新闻。