1. sincerity; good faith
    • 誠意のある[ない]
    • sincere [insincere]
    • 彼の言うことには誠意が全くない
    • 「You can't put any faith in [He's not at all serious about] what he says./There is not a scrap of sincerity [good faith] in what he says.
    • 誠意を示してほしい
    • I want you to show 「that you take your responsibilities seriously [that you are in earnest].
    • 誠意を持って彼女のためにそう言った
    • He said so with her best interests at heart.