2 sentences

1. 这个决定做得太草率了，没有考虑到后果。

   zhè​gè jué​dìng zuò de tài cǎo​shuài le, méi​yǒu kǎo​lǜ dào hòu​guǒ.

   This decision was made too hastily without considering the consequences.

   Source: Dong Chinese Dictionary

2. 想到当年的草率行为，他心中至今仍充满了悔意。

   xiǎng​dào dāng​nián de cǎo​shuài xíng​wéi, tā xīn​zhōng zhì​jīn réng chōng​mǎn le huǐ yì.

   Thinking back to his reckless behavior then, he is still filled with regret.

   Source: Dong Chinese Dictionary