快乐7

Board of Overseers 监事会

commencement address 毕业演讲；毕业典礼演讲

wrack one's mind(brains) 绞尽脑汁；搜肠刮肚

on the threshold of 在…的开头；在…的前夕

set free 释放，解放

by default 默认，预设，未采取行动

They can think themselves into other people's places.

come up 走近，靠近

laid one's hands on 拿到…，抓到…，得到

make a fuss 小题大做，大叫大嚷