chase down的用法和樣例：
例句
用作動詞 (v.)
- Before we can change what has happened, we must get down to grassroots.
要改變目前已發生的事情，我們必須找出事實的真相。 - He reaches into his pocket, pulls out a pile of condoms, finds some aspirins in the midst and washes two down with water.
他伸手進袋裡，掏出一堆避孕套，在其中找出一些阿司匹靈，用水送下了兩顆。
辭彙搭配
- chase down 找出
