| 释义 |
事非经过不知难事非经过不知难[shì fēi jīng guò bù zhī nán]1.■not to know how difficult the job is, unless one has done it oneself; A man does not know the difficulty of anything unless he does it personally.; One cannot appreciate the difficulty except through personal experience.; One does not realize the difficulty of an undertaking until one has experienced it oneself. |