She couldn't keep back her tears at the news.

　　聽到那消息，她忍不住掉下了眼淚。

　　At the moment she just couldn't keep back her tears.

　　這時她就是沒法忍住自己的眼淚。

　　In vain I tried to keep back my tears.

　　我怎么也忍不住我的眼淚。

　　I fought to keep back my tears.

　　我努力控制住淚水。

　　Hydraulic servo tuned magnetron I fought to keep back my tears.

　　水力伺服調(diào)諧磁控管我努力控制住淚水。