仔细想了之后，······
用法透视
如果你想改变主意，就可以用这句"经过第二思考之后"，表示你做了新决定。
支持范例
1. On second thought, I'm going home on this vacation.
仔细想了之后，我打算回家休假。
2. I'll do it, on second thought.
仔细想了之后，我干。
3. On second thought, I won't tell her the truth.
仔细想了之后，英语我还是不告诉她真相。
会话记忆
A: Would you like a cup of coffee?
你要不要喝一杯咖啡？
B: No, thank you.
不，谢谢。
A: I'm going to get one for myself. They make really good coffee here.
我自己要一杯，他们这里的咖啡很好。
B: On second thought, I will have a cup.
仔细想过之后，我想我还是要一杯