“信守”用英语怎么说

“信守”的拼音为：xìn shǒu...

我怎么知道他会信守诺言呢？How do I know that he will be true to his word?他们信守诺言，离得远远的。They were as good as their word and stayed away.根本不能相信他会信守诺言。He simply cannot be trusted to keep his word....