她总爱刨根儿。
She's never satisfied until she gets to the bottom of things.
不必对这个法律问题刨根问底。
他对于人类的存在刨根问底。
Nobody really sees the reason for this; it's all a question of theory, so we have to think a little bit about theory.
没人对此刨根问底,这只是个理论问题,所以只要了解理论就好
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