对于正在备考托福的考生来说，词汇是特别重要的，不管是听力、写作、阅读还是口语，都关系着词汇。

When everything seems to be going against you, remember that the airplane takes off against the wind, not with it.

当你觉得诸事不顺时，记住飞机是逆着风而飞起，不是顺着风。

furtive  adj.

[ˈfɜːrtɪv]

secret and sly or sordid

偷偷摸摸的；鬼鬼祟祟的；遮遮掩掩的

例句：

He is furtive in his manner.

他的样子鬼鬼祟祟。