If you are "true blue," you are loyal and faithful.

如果你是“真正蓝色(true blue)”，说明你忠诚，守信。

youdao

Alex: : Yeah, I've got to say I'm an Aussie, true blue Aussie.

亚历克斯：我要说我是澳大利亚人，我是忠诚的澳大利亚人。

youdao

Ed was true blue when our company met rough times and other workers were deserting us.

当我们的公司遭遇困难，别的员工都纷纷离去的时候，艾德却对我们忠心耿耿。

youdao

Founded pachinko and slots company Aruze, which recently acquired U.S. gaming-machine content supplier, True Blue Gaming.

FORBES: Magazine Article

All my Evertonian friends have been saying she is a true blue because she made me miss the game!

BBC: SPORT | Football | Kevin Nolan column

In the jungle of the financial world, there are few true blue gentlemen of ideal temperament and standards, whose word you can trust.

FORBES: True Blue Gents Of Finance