adj.真誠(chéng)的；誠(chéng)摯的

How can I persuade you that I am sincere? 怎樣才能使你相信我是真心實(shí)意的呢?

I will oblige any sincere request. 我會(huì)答應(yīng)任何誠(chéng)意的請(qǐng)求。

I think he is sincere and quite without affectation. 我認(rèn)為他為人誠(chéng)摯，毫不做作。

Sincere congratulations on your son wedding please convey our best wish. 令郎喜結(jié)良緣謹(jǐn)此致以誠(chéng)摯的祝賀并請(qǐng)轉(zhuǎn)達(dá)最美好的祝愿。

Please accept my sincere thanks and best wishes. 請(qǐng)接受我誠(chéng)摯的感謝和最美好的祝愿。