a.

1. 脆的，易碎的；易損壞的
   This material is highly brittle.

   這種材料非常脆。

2. 易生氣的，敏感的，難相處的
   He has a brittle temper.

   他容易發脾氣。

3. 不友好的，冷淡的
   Robert received a brittle reception there.

   羅伯特在那裡受到冷淡的接待。

4. 尖利的
5. 易變遷的，短暫的

adj.

1. hard but liable to break easily.
2. (of a voice) unpleasantly hard and sharp and showing signs of nervousness or instability.

n.