aux. 構成疑問句和否定句;代替動詞;用于加強語氣;
vt. 做;干;進行;從事;
vi. 表現;進展;引起;行過;
n. 社交聚會;社交活動;宴會;
??? 情景例句
I've been trying to find
我一直在尋求
What's learnt in the cradle lasts till the tomb.
小時學過的,至死不忘記。
The early climbers were looking for the easiest way to the top, because the summit was the prize they sought, especially if it and never been attained before.