• adj. 高齡的；老衰的；高齡所致的

sen-,年老，-ile,形容詞后綴。

senile (adj.)

1660s, "suited to old age," from French sénile (16c.), from Latin senilis "of old age," from senex (genitive senis) "old, old man," from PIE root *sen- "old" (cognates: Sanskrit sanah "old;" Avestan hana- "old;" Old Persian hanata- "old age, lapse of time;" Armenian hin "old;" Greek enos "old, of last year;" Lithuanian senas "old," senis "an old man;" Gothic sineigs "old" (used only of persons), sinistra "elder, senior;" Old Norse sina "dry standing grass from the previous year;" Old Irish sen, Old Welsh hen "old"). Meaning "weak or infirm from age" is first attested 1848.

1. What exactly goes wrong with those suffering from senile dementia?

那些患老年癡呆癥的人到底出了什么問題？

來自柯林斯例句

2. She is suffering from senile dementia.

她患有老年癡呆癥。

來自柯林斯例句

3. Don't mind the old lady. She's getting senile.

不要在意這個(gè)老太太，她有點(diǎn)兒老糊涂了。

來自柯林斯例句

4. I think she's going senile .

我想她是衰老了。

來自《權(quán)威詞典》

5. I may be senescent, but I'm not yet senile.

我有點(diǎn)顯老了, 但還沒有老得不中用.

來自《現(xiàn)代英漢綜合大詞典》