brittle, fragile, frail
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。
fragile ： 除指易碎外，还指人身体虚弱，动辄就得病。
frail ： 多指人体虚弱，也指某物不耐用，易碎易损。
weak, feeble, frail, fragile
weak ： 普通用词，指缺乏应有的力量，可用于身体、意志或精神。
feeble ： 指身体衰弱无力，精力几乎耗尽，含令人怜悯的意味。
frail ： 多指因经常生病而身体纤弱。
1. The frail craft rocked as he clambered in.
2. Mother was becoming too frail to live alone.
3. The boy was frail and never ganged with his fellows at school.
4. My grandmother was becoming more and more sad and frail as the years went by.
5. She lay in bed looking particularly frail.
6. He was very frail, and his eyes were really uncanny.
7. She said something, with a frail laugh of sadness.
8. She was a little woman, frail, and even sickly looking.
她是一个娇小的女人, 弱不禁风, 甚至显出多愁多病的样子.
9. Mrs. Warner is already 96 and too frail to live by herself.
10. How slight a thing will disturb the equanimity of our frail minds!
11. Never was anything at once so frail and so indomitable.
12. The bridge is a frail wooden structure.
13. Her health is very frail.
14. At 90, she’s getting very old and frail.
15. Willie’s old robe flapped around his frail figure.
1. This may help to undermine the brittle truce that currently exists.
2. The pizza base retains its crispness without becoming brittle.
3. These incidents suggest the peace in Northern Ireland is still brittle.
4. Myrtle gave a brittle laugh.
5. The pond was covered in a brittle layer of ice.
6. She gave a brittle laugh.
7. Chemically treated hair can become dry and brittle.
8. Brittle things break easily.
9. She has a brittle temper.
10. Pine is brittle and breaks.
11. He has a brittle temper , ie loses his temper easily.
12. And thereon spend thy many brittle darts.
13. Crazing is the invariable precursor of brittle fracture.
14. This material is highly brittle.
15. Lydia gave a laugh that sounded unexpectedly brittle.
1. He remains the anchor of the country’s fragile political balance.
2. The fragile economies of several southern African nations could be irreparably damaged.
3. She was small and fragile and looked incongruous in an army uniform.
4. Because of the extreme cold, the Antarctic is a uniquely fragile environment.
5. He placed one hand heavily on a fragile, wobbling table.
6. The Prime Minister’s fragile government was on the brink of collapse.
7. Sarah looked slender-waisted, fragile and very beautiful.
8. His overall condition remained fragile.
9. The incident ruptures a recent and fragile cease-fire.
10. The old lady was increasingly fragile after her operation.
11. Walkers can unwittingly damage the fragile environment in which the birds live.
12. The fragile china survived the bumpy journey safe and sound.
13. This glass disc looks very fragile.
14. She looked wan and fragile.
15. The child’s health is fragile.