1. easier said than done 说起来容易，做起来难;

　　2. dare I say it 说句不中听的话;

　　3. I'm bound to say 很惭愧地讲;

　　4. as you say 遵命;

　　5. I couldn't say 很难讲;

　　6. I dare say 我敢说;

　　7. If I may say so... 依我说的话;

　　8. I'll say 当然可以(用以强调同意)