蛮干 | mán gàn | to act rashly / to act precipitously regardless of the consequences / reckless / foolhardy / daredevil | |
狗胆包天 | gǒu dǎn bāo tiān | extremely daring (idiom) / foolhardy | |
暴虎冯河 | bào hǔ píng hé | lit. fight tigers with one's bare hands and wade across raging rivers (idiom) / fig. to display foolhardy courage |