When he began arguing, talking reasonably and calmly, and when she was led on by his example into doing the same, she knew it would infallibly lead to a quarrel.

• 只要皮埃尔开始心平气和地进行推理式地谈话，而娜塔莎也照样以这种方式回话，她就知道下一步就是要吵架了。