我爸爸，一名68岁的退休技术人员和四个孩子的祖父，仔细地考虑了我的话，并认真地回复了我。

Dad, a 68-year-old retired technologist and grandfather of four, had carefully considered my message, and crafted a response.

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他像一个带着听诊器的医生一样，认真地扣、仔细地听这个葫芦。

Then, bending his ear down over the nearest gourd, which was as high as his gut and wider than a truck tire, he gave it a solid smack and listened intently, like a doctor with a stethoscope.

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一切都安静了下来，我们仔细地听着老师的讲解，认真地看着老师的每一个动作。

All quiet down, we listened carefully to the teacher's explanations, look carefully at the teacher's every move.

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