这些形容词都含有“易碎的”之意。
brittle : 指没有弹性或伸缩性的脆性材料，暗示受压或被扭曲时易碎。
- As you get older your bones become increasingly brittle.
随着年龄增长，人的骨头变得越来越脆。 - The pond was covered in a brittle layer of ice.
池塘上结了薄薄的一层冰。
fragile : 除指易碎外，还指人身体虚弱，动辄就得病。
- 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。 - I felt rather fragile (= weak) for a few days after the operation.
手术后几天内我感觉自己非常虚弱。 - No breakfast for me, thanks - I'm feeling a little fragile (= ill, upset, or tired) after last night's party.
我不吃早餐了，谢谢——昨晚聚会后到现在我还觉得很不舒服。
frail : 多指人体虚弱，也指某物不耐用，易碎易损。
- a frail old lady
孱弱的老妪 - I last saw him just last week and thought how old and frail he looked.
我最后一次看见他就在上个星期，觉得他看上去非常衰老、虚弱。 - the country's frail economy
该国脆弱的经济
