faithful

faithful的音标是[ˈfeɪθfl]，翻译成中文是忠诚的，真挚的。速记技巧是：fei信夫。

faithful这个词的词源可以追溯到拉丁语词汇“fidus”，意思是“信任”或“忠诚”。faithful这个词本身在英语中已经发生了许多变化形式，包括其名词形式“faithfulness”，形容词形式“faithful”，以及副词形式“faithfully”。

相关单词：

“trust”和“believe”都与faithful有相似的含义，都表示对某人的信任或忠诚。

“loyal”表示忠诚，其词源也与拉丁语有关。

“credible”表示可以信赖的，其词源可以追溯到拉丁语的“credo”，意为“我相信”。

“faith”本身也是faithful的一个相关单词，表示信仰或信念。

“faithfully”是faithful的副词形式，表示忠诚地、真诚地，在写作和文学中经常使用。

faithful这个词在英语中也被用作形容词，表示忠诚的、真诚的或可靠的。它的使用可以表达对某人或某事的信任和忠诚。例如，“He is a faithful friend”就可以被理解为“他是一个忠诚的朋友”。这个词在表达诚实和守信用的品质时非常常用。

常用短语：

1. be faithful to (someone)

2. be faithful in (something)

3. faithfully

4. be true to

5. be loyal to

6. be steadfast in

7. be consistent with

例句：

1. I am faithful to my friend in keeping our promises.

2. She is faithful in her work, always putting in a full day"s effort.

3. Our friendship is based on mutual trust and faithfulness.

4. He is true to his word and always keeps his promises.

5. She is loyal to her family and always stands by them in times of need.

6. The two countries are steadfast in their support of each other"s interests.

7. The new policy must be consistent with our original objectives.

英文小作文：

My Faithful Friend

I have a faithful friend who always stands by me in times of trouble and joy. We have shared many experiences together, from happy moments to difficult challenges. She is always there for me, no matter what happens, and I am grateful for her unwavering support and loyalty. She is my rock, my confidante, and my best friend. I am blessed to have such a faithful friend in my life.