講解：
dart a glance / look (at sb)
(朝某人猛然)看,瞥
He darted an impatient look at Vicky.
他不耐煩地朝維基瞥了一眼。

find sb out
查出(壞人)；識破:
He had been cheating the taxman but it was years before he was found out.
他過去一直在欺騙稅務部門,只是多年以后才被查出來。

leave sb behind
永久離開(某人、某地或某國):
She knew that she had left childhood behind.
她知道童年已一去不復返了。

sick of sb / sth | ~ of doing sth
(對…)厭倦的,厭煩的,厭惡的:
I'm sick of the way you've treated me.
你對待我的那一套我都厭倦了。

be outnumbered by
(在數量上)壓倒,比…多:
The demonstrators were heavily outnumbered by the police.
示威者人數遠不及警察人數。

underestimate sb
對…認識不足(或重視不夠)；低估；輕視:
Never underestimate your opponent.
決不可低估你的對手。