在安慰心情不好的人时，用英语表达时，可以采取以下几种方式：

1. 倾听和理解：

"I'm really sorry to hear that you're feeling down. It's okay to share what's on your mind."

"I can see that you're not feeling well. Please feel free to talk about it, and I'm here to listen."

2. 表达同情：

"It sounds like you're going through a tough time. I'm really sorry that you're dealing with this."

"I understand that this must be really hard for you. You're not alone in this."

3. 提供帮助：

"Is there anything I can do to help you feel a bit better?"

"If you need someone to talk to or just someone to be there for you, remember I'm here."

4. 给予正面鼓励：

"Remember, tough times don't last, but tough people do. You've got this."

"You are strong and capable of overcoming this. Believe in yourself."

5. 分散注意力：

"Why don't we take a short walk or do something that you enjoy? It might help you feel a bit better."

"Would you like to do something that could distract you for a while, like watching a movie or going for a drive?"

6. 提供具体的建议：

"Sometimes, talking about our problems can help. Maybe we could go for a coffee and talk about it."

"Have you thought about exercising? It can be a great way to release tension and feel better."

7. 保持积极态度：

"Even though it's hard to see right now, there's always a way to find a positive outcome."

"Let's focus on the good things that are still in your life. They're worth celebrating."

在安慰他人时，真诚和同理心是最重要的。确保你的话语能够传达出你对他们感受的理解和支持。