I bent back too far and hurt my neck.

我向后仰得过度了,扭伤了脖子.

《简明英汉词典》

His head was bent back with his chin poking forward.

他低下头,下巴前倾.

互联网

His crippled right leg is bent back at the knees.

他残疾的右腿从膝盖处向后弯.

互联网

I bent back too far and hurt my back muscles.

我后仰得太厉害,扭伤了腰部.

互联网

When I bent back, I lost my balance.

当我向后仰时失去了平衡.

互联网

He walks with a bent back, the very image of my dead grandpa.

他走路时身体不挺直,那背影酷肖我去世的爷爷.

互联网