忠心耿耿翻译

英语翻译：

loyal and devoted

例句：

1. 比尔一贯对朋友忠心耿耿。
   Bill is always loyal to his friend.
2. 他并非一贯忠心耿耿，有时支持我们，有时反对我们。
   He is inconsistent in his loyalty: sometimes he supports us, sometimes he's against us.

分词翻译：

忠的英语翻译：

faithful; loyal; staunch

心的英语翻译：

heart; centre; feeling; intention; mind
【医】 cardia-; cardio-; cor; heart

耿耿的英语翻译：

be troubled; dedicated; devoted