轻举妄动

zhè jiàn shì fēi tóng xiǎo kě bù néng qīng jǔ wàng dòng

这件事非同小可，不能轻举妄动。

This is no trivial matter. Make no move without careful thought.

qīng jǔ wàng dòng bì huì shī bài

轻举妄动必会失败。

To act rashly is a losing game.

jì zhù wú lùn yù dào shén me qíng kuàng dōu bù xǔ qīng jǔ wàng dòng

记住，无论遇到什么情况都不许轻举妄动。

Remember, no matter what happens, you must do nothing hasty.

wǒ xiàn zài míng bai wǒ yě xǔ shì tài qīng jǔ wàng dòng le

我现在明白我也许是太轻举妄动了。

I see now that I may have acted rashly.