?意思：誠實的，坦誠的

用法：be honest是一個常用的英語短語，表示某人具有誠實、坦率和真實的品質，通常用來形容一個人或者說話的態度。它可以作為形容詞或者動詞使用。

例句：

1. Be honest, did you eat the last piece of cake? 你說實話，你吃了最后一塊蛋糕嗎？

2. I appreciate your honesty in admitting your mistake. 我很感激你坦率地承認錯誤。

3. She always speaks her mind and is known for being honest. 她總是直言不諱，以誠實著稱。

4. It's important to be honest with yourself and others. 對自己和他人保持誠實很重要。

5. If you want people to trust you, you need to be honest with them. 如果你想讓別人信任你，就需要對他們保持誠實。

同義詞及用法：

1. truthful：意為“真實的，可信的”，也可以用來形容一個人具有真實和可靠的品質。：He gave a truthful account of what happened that night.

2. sincere：意為“真摯的，真心的”，強調內心真正的感受和態度。：I am sincerely sorry for my behavior.

3. genuine：意為“真正的，真實的”，強調事物本身具有真實性和可信度。：I could tell by her genuine smile that she was happy.

4. upright：意為“正直的，誠實的”，強調遵守道德標準和價值觀。：He is known for his upright character and honesty.

5. frank：意為“坦率的，直率的”，強調說話直截了當，不避諱。：You can always count on him to give a frank opinion.