真心诚意

wǒ bù gǎn kěn dìng tā shuō de huà shì zhēn xīn chéng yì de

我不敢肯定她说的话是真心诚意的。

I wasn’t sure that she was sincere in what she was saying.

tā zhè yàng zuò shì chū yú zhēn xīn chéng yì

她这样做是出于真心诚意。

She acted in good faith.