271.at the expense of在损害……情况下,以……为牺牲
272.expose……to……使暴露于……,使……受(危险,风险)
273.be exposed to……面临……,受到……
274.beyond expression (= in a manner that cannot be expressed)无法形容,说不出的
275.give expression to表达,表现
find expression in表现
276.to……extent在……程度上
277.in the extreme (=extremely)极其
278.look sb. in the eye正视,打量(某人)
279.close (shut) one‘s eyes to不理会,视而不见
280.in one‘s mind’s eye在心目中,在想象中