果断

他果断地做出了决定。

tā guǒduàn de zuò chū le juédìng

He made a decisive decision without hesitation.

她在关键时刻果断地采取了行动。

tā zài jīdàishí kǎo duàn de qǔcái le dòngzhuàng

She took decisive action at a critical moment.