He’s copied that mannerism from his brother.

他的那些言谈举止是模仿他哥哥的。

He has this irritating mannerism of constantly scratching his nose.

他老是挠鼻子，这个真让人不舒服。

His mannerisms bear a strong likeness to those of his father.

他的举止极像他父亲。

He had a mannerism of closing his eyes as he talked, as if he were deep in thought.

他有闭着眼睛说话的，象是在沉思。

Her British accent is just a mannerism picked up on her visit to London.

她的英国口是她访问伦敦学会的。