1.the vanguard of ……的先鋒/先頭部隊
Hedge funds, always the most mobile of firms, are likely to be in the vanguard of any exodus.
對沖基金，通常是公司中最具流動性的基金，可能成為外撤的先頭部隊Shq8&v]|5If*+8S6vnB。

2.on the ground 實地；在當地的
Our commanders on the ground are constantly adjusting their approach to stay ahead of the enemy, particularly in Baghdad.
我們前線的指揮官不斷調整作戰方案，來保持對敵優勢，尤其是在巴格達ZEM~C,0De2u。

3.sound obvious 聽起來平淡無奇
It may sound obvious, but if you continue to bring bad foods into your home, you will continue to eat them.
這個辦法可能聽起來平淡無奇，但如果你繼續把垃圾食品帶回家，你就會繼續吃jV-68&3buh.opRtU-^@。

4.be eager to 渴望；急于
The child is eager to see his mother.
小孩急著想見媽媽puA@tKlHMQt^so[za。