track sb down的用法和樣例：
例句
- At last he was hunted down and killed by hanging.
最後，他還是遭到追捕，被處以絞刑。 - The police are on the track of the criminals.
警察在追捕罪犯。 - They were trying to hunt down an escaped prisoner.
他們正設法搜尋一名逃犯。 - Police are scaling down the search for the attacker.
警方正在縮小對攻擊者的搜尋規模。 - Detectives have finally tracked down the killer.
偵探們最終追捕到了殺手。 - That bad man was hounded down at last.
那個壞人終於被追捕到了。
