臂肘

tā lǐ lǐ dà yī lǐng zi wài miàn de hú zi qīng qīng wǎn zhe qī zi de bì zhǒu

他理理大衣领子外面的胡子，轻轻挽着妻子的臂肘。

Having arranged his whiskers over his coat collar, he put his hand lightly under wife's elbow.