打破砂锅问到底

打破砂锅问到底

Literally means:

break the casserole and ask all

Actually means:

沙锅, casserole, is a kind of cooking pot made from clay and sand. 问 (asking) and 纹 (crack) are homophones. 到底 means reaching the end.

Originally, it means that the cracks will burst open and reach the bottom when a casserole is broken. Metaphorically, it means insisting on getting to the root of a question.

沙锅，用陶土和沙子做的锅；“问”是“纹”的谐音；到底，到了尽头。

本义指沙锅打破了，裂纹也就直通到底，全部显现出来。比喻寻求和追究事情从头到尾的情况。