Bù zhī shuǐ shēnqiǎn, qièmò jí xià hé.

不知水深淺, 切莫急下河。

Lit Without knowing the depth of the water, never go hastily into the river.

Fig Never plunge into hasty action without first investigating the situation.

Note [See also yào zhī hé shēnqiǎn below.]

Topics CAUTION PRUDENCE