His long legs bent up in the confined space.

他长长的双腿蜷缩在有限的空间里。

《柯林斯英汉双解大词典》

Their heads bent, their legs just touching, they stride like one eager person through the town, down the asphalt zigzag where the fennel grows wild, and on to the esplanade.

他们低着头，腿挨腿，像一个焦急的人在城中单独穿行，从四周长着野茴香的弯弯曲曲的柏油路走下去，来到海滩边。

youdao

As the legs (or thighs, if your knees are bent) rise to perpendicular to the floor, firm the tailbone against the back of the pelvis.

当脚(或者大腿，如果你的膝关节是弯曲的话)举起垂直地板时，稳定尾骨防止骨盆向后。

youdao

The nurse said Mrs Richards' "legs were in a sort of figure four pattern, with one of her legs bent".

BBC: Gladys Richards

It was true that quite a few of the sheep seemed to be hobbling on three legs, or half kneeling, their front legs bent at the joint.

NEWYORKER: She��s the One

When I bent my legs and peered in, I could see his back, and the back of his head, and, across the table from him, my smiling radiant wife lifting her wineglass as if in acknowledgment of something he had said.

NEWYORKER: Wakefield