臂弯

zài tā de bì wān li tā gǎn dào hěn ān quán

在他的臂弯里她感到很安全。

She felt safe and secure in his arms.

tā jiāng shǒu chā jìn tā dì di de bì wān lǐ

她将手插进她弟弟的臂弯里。

She slipped her arm through her brother's.