【情绪表达-犹豫】

1. I'm not sure. 我不确定。

2. It's hard to say. 这很难说。

3. Er, let me see. 呃，让我想想。

4. I haven't decided yet. 我还没拿定主意。

5. Let me think it over. 让我仔细考虑考虑。

6. I can't make any decision now. 我现在没法做决定。