steadfast

a. 坚定的,踏实的

Steadfast in allegiance to one's homeland, government, or sovereign.

忠心的对自己的祖国，政府或主权无限忠诚的

Steadfast in purpose, loyalty, or affection; faithful.

坚定在目的、忠诚或感情上坚定不移的；忠诚的