brittle

易碎的、脆的

The old plastic pipe had become brittle and cracked easily.

那條舊塑膠水管已經變脆，一碰就裂。

脆弱的、不穩固的

The ceasefire is brittle and could collapse at any moment.

停火協議十分脆弱，隨時可能破局。

冷淡的、生硬的、勉強的

She answered with a brittle laugh and changed the subject.

她生硬地笑了一聲，就把話題轉開了。

脆糖、硬糖片

We made peanut brittle and broke it into small pieces.

我們做了花生脆糖，再把它敲成小塊。