贸然

mào rán xià jié lùn bù hǎo

贸然下结论不好。

It won't do to jump to conclusions.

mào rán tóng yì

贸然同意

agree without careful consideration

mào rán jiǎng chū

贸然讲出

speak out precipitately

mào rán bài fǎng

贸然拜访

visit sb without prior engagement

mào rán gǎi biàn zhè yī jì huà

贸然改变这一计划

change the plan hastily

mào rán cóng shì

贸然从事

act rashly

mào rán xuǎn zé

贸然选择

make a hasty choice

duì lái lì bù míng de diàn zǐ yóu jiàn nǐ bù yào mào rán dǎ kāi

对来历不明的电子邮件，你不要贸然打开。

You should not open e-mail from unknown sources rashly.