“婉拒”的英语可以翻译为：excuse oneself from ...

我只是甜笑着婉拒了。I just smiled sweetly and said no.我们设法婉拒了。We managed to decline gracefully.总统因嗓子不适而婉拒了亲自讲话。The President declined to deliver the speech himself, on account of a sore throat....