英文坦白的

坦白的 frankly

to tell you the truth.to be honest.to be frank.frankly speaking.

忠诚与坦白：Loyalty and frankness。忠诚 loyal; faithful; fidelity; staunch; adherence; 例句：Once he took the vow his loyalty never wavered.一旦他发了誓，他的忠诚从不动摇。坦白 confess;frank;candor例句：Please tell me frankly how I hurt you.请坦白告诉我，我是怎样伤害你的。

可以说 frankly，或者to be honest。

忠诚与坦白：fair and square

to be honest, to be frankly 都可以，一般用在句首。例如： To be honest, I don't like this dress.