underpin

?

支持,；支撐（動詞）

(verb) To give support to with evidence or authority; to support from below

EXAMPLE: The great philosopher's ideas underpin the beliefs of many young people today.

這位偉大哲學(xué)家的思想是當今很多青年人的信念支柱,。

terminal coolness

扮酷到了不可救藥的地步（當代詼諧俚語）?

（HUMOROUS CONTEMPORARY SLANG） The condition of being too stylish and overly concerned with fashionable speech and behavior (NOTE: "terminal" as an adjective can mean "causing or approaching death" while "cool" in slang means up-to-date)?

EXAMPLE: My younger brother is obsessed with wearing the most fashionable clothes and only listening to the most popular new CDs; he obviously suffers from terminal coolness.

我弟弟熱衷于穿最新潮的服裝，而且只聽最流行的新碟,，他顯然是扮酷到了不可救藥的地步,。