méi / yǒu / chōng / fèn / liǎo / jiě / qíng / kuàng / jiù / mào / rán / xià / jié / lùn / jiǎn / zhí / shì / zài / hé / yǎn / mō / xiàng

没有充分了解情况就贸然下结论，简直是在合眼摸象。

Jumping to a conclusion without understanding the situation is like proceeding blindly.