plan on: 打算
How can we change our original plan on a sudden impluse?
一時心血來潮， 就改變了原計劃，那怎么行呢？

whiz by: 呼嘯而過
They eat crouched in corners or on the street as cars whiz by.
他們蹲在角落里或在轎車呼嘯而過大街上吃飯。
Trees whiz by on the way to the okefenokee swamp, georgia, u.s.
在前往美國喬治亞州奧克弗諾基沼澤的路上，路邊的樹木呼嘯而過。

have an affair: 有外遇
Then why did he have an affair?
那為什么他會有外遇？

figure out: 弄明白
Her mission was to figure out what where she could make an impact.
她的使命是找出自己能夠施加影響的領(lǐng)域。

settle for: 勉強(qiáng)同意，接受
Virginia was a perfectionist. She was just not prepared to settle for anything mediocre...
弗吉尼婭是個完美主義者，她根本不愿意拿任何普普通通毫無特色的東西將就。
England will have to settle for third or fourth place.