She curled up in a tight ball, with her knees tucked up at her chin.

她蜷缩成紧紧的一团，膝盖顶着下巴。

《柯林斯英汉双解大词典》

It curled up into a ball and shut the world out, and wrapped itself with it's lost dreams.

它蜷缩成一团，远离这世界，沉浸在它失去的梦想里。

youdao

A whiff of warm air ascended to his nostrils, and there, curled up under the snow in a snug ball, lay Billee.

一阵温暖的呼吸气息钻进了自己的鼻腔——原来是Billee蜷缩在下面的一个雪窝里。

youdao

Mulryne then doubled the advantage as he curled the ball into the top corner of the net from just outside the area after good build-up play involving McVeigh.

BBC: Reading 0-2 Norwich