make rash comments on sth one really has little knowledge of ? 阮乃嘆曰：“非但能言人不可得，正索解人，也不可得?！?劉義慶《世說(shuō)新語(yǔ)·文學(xué)》) At the end Ruan said with a sigh，“It’s not just the man who can talk who’s hard to find,but precisely the man who probes for explanations who’s equally hard to find.”