perplex

vt.迷惑，困惑，难住 (puzzle, confuse)

The question perplexed me.

这个问题使我困惑。

riddle

n.谜(puzzle, mystery)

tangle

vt.使缠结，使纠缠 (knot, snarl)

Her hair got tangled up in the fence.

她的头发被篱笆缠住了。

glamour

v.迷惑

delude

vt.迷惑，哄骗 (beguile, deceive)

bewitch

vt. 施魔法于，蛊惑(enchant, hex)

baffle

vt.使困惑；难倒

The examination question baffled me completely and I couldn't answer it.

考试的题目完全把我难住了，我答不上来。

hypnotize

vt.施催眠术(mesmerize)；使着迷

ascertain

vt.确定(determine,make sure)；探知

Did the doctor ascertain the cause of your opinion?

医生查明原因了吗？

affirm

v.断言；确认，肯定(assert, confirm)

He affirmed his love for her.

他肯定他爱她。

definite

adj. 明确的(specific,straightforward)；肯定的

She made him no definite answer.

她没有给他明确的答复。

confirm

vt.进一 步证实；确定(assure)；支持

Please confirm your telephone message by writing to me.

请写下你的电话留言。

unambiguous

adj.不含糊的，明确的

pronounce

v.发音；宣告(enunciate, articulate)；断言

The expert pronounced the picture to be a forgery.

专家断言那幅画是赝品。

infallible

adj.没有错误的；确实可靠的

The intelligence is from an infallible source of information.

情报可靠。

undoubtedly

adv.确实地，无疑地 ；必定

There will undoubtedly be trouble with the unions if the union leader is dismissed.

如果工会领导人被解雇，工会无疑会有麻烦。