区别辨析weak、feeble、frail与fragile

weak、feeble、frail与fragile这些形容词均有“虚弱的、乏力的”之意。

weak : 普通用词,指缺乏应有的力量,可用于身体、意志或精神。

  • It's not surprising you feel weak if you haven't eaten properly for days.
    如果你几天都没有好好吃东西的话,觉得虚弱无力是很自然的。
  • The electromagnetic field strength becomes weaker as you move further away from high voltage cables.
    当你远离高压线时,电磁场强度就会变弱。

feeble : 指身体衰弱无力,精力几乎耗尽,含令人怜悯的意味。

  • He was a feeble, helpless old man.
    他是一个虚弱无助的老人。
  • The little lamp gave only a feeble light.
    这盏小灯只发出一点微弱的光。

延伸阅读:小词详解 | feeble

frail : 尤指老人等因经常生病而身体瘦弱,强调体质上的自然娇弱或体格上的纤弱。

  • 她那睿智的老祖母已逐渐衰弱到无法独居。
    Her sage old grandmother was becoming too frail to live alone.

延伸阅读:小词详解 | frail

fragile可与frail换用,但语气强,侧重脆弱,指人容易生病,指物容易破碎。

  • Be careful with that vase - it's very fragile.
    拿那只花瓶要小心——它很容易碎。
  • The assassination could do serious damage to the fragile peace agreement that was signed last month.
    这起行刺事件可能会对上月签署的脆弱的和平协定造成严重损害。