A defector is the person who leaves their own country, party, or group and joins the other side. The word is most at home in news about politics, war, and spies.

A defector is the person who leaves their own country, party, or groupA defector是離開自己國家、政黨或團體的人 and joins the other side然後加入另一邊的人. The word is most at home in news about politics, war, and spies這個字最常出現在政治、戰爭和間諜的新聞裡

A soldier who runs to the enemy is a defector; so is someone who leaves one country for a rival one and cannot easily go back. It is not a warm word.

A soldier who runs to the enemy跑去投靠敵人的士兵 is a defector就是a defector; so is someone who leaves one country for a rival one and cannot easily go back離開一個國家投奔對立國、又不容易回得去的人也是. It is not a warm word這不是個溫暖的字

People on the side you left will often call you a traitor; people on the side you joined, or the newspapers, may say defector, which sounds a little more like a news fact.

People on the side you left你離開的那一邊的人 will often call you a traitor常常會叫你叛徒; people on the side you joined, or the newspapers你加入的那一邊，或是報紙 may say defector可能會說defector, which sounds a little more like a news fact聽起來比較像新聞事實的講法

You almost never use it for everyday things like leaving a club. Though actually, the word does not by itself tell you who was right — only that someone crossed over.

You almost never use it for everyday things like leaving a club你幾乎不會拿這個字用在退出社團這種日常小事上. Though actually不過其實, the word does not by itself tell you who was right這個字本身不會告訴你誰才是對的 — only that someone crossed over只說明有人跑到另一邊去了