• adj. 發(fā)狂的，瘋狂的；精神錯(cuò)亂的
• v. 精神錯(cuò)亂；變得癡呆（dement的過(guò)去分詞）

de-, 向下，離開(kāi)。-ment, 思想，詞源同mind. 指思想偏離正軌的，發(fā)狂的。

demented (adj.)

1640s, from obsolete dement "drive mad."

1. He had been granted his own TV show by some demented executive.

某個(gè)愚蠢的主管已經(jīng)批準(zhǔn)他自己來(lái)做一個(gè)電視節(jié)目。

來(lái)自柯林斯例句

2. Nursing a demented person is an all-consuming task.

照顧一個(gè)精神病人是時(shí)刻都要?jiǎng)谏褓M(fèi)力的苦差事。

來(lái)自柯林斯例句

3. I've been nearly demented with worry about you.

我一直為你擔(dān)心，都快發(fā)瘋了。

來(lái)自《權(quán)威詞典》

4. At what point does it become necessary to place a demented person in a nursing home?

到了什么時(shí)候算是有必要把早老性癡呆病人送到養(yǎng)老院去？

來(lái)自柯林斯例句

5. Sid broke into demented laughter.

錫德狂笑起來(lái)。

來(lái)自辭典例句