1.on the 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 the second thought.仔细想了之后,我决定做这个事情。 3. On the second thought,I won't tell her the truth.仔细思考后,我决定不告诉她真相。 A: Would you care for a cup of coffee?你想要一杯咖啡吗? B: No thank you.不了,谢谢。 A: I'm going to get one for myself. they make really good coffee here.我打算给自己来一杯,这儿的咖啡真的很棒。 B: On the second thought. I'll have a cup.经过仔细思考,我决定也来一杯。