2 sentences

1. 他说话大大咧咧的，从不在意细节。

   tā shuō​huà dà​dà​liē​liē de, cóng bù​zài​yì xì​jié.

   He is very casual in his speech and never pays attention to details.

   Source: Dong Chinese Dictionary

2. 姐姐性格大大咧咧的，从来不把这些生活小事放在心上。

   jiě​jie xìng​gé dà​dà​liē​liē de, cóng​lái bù bǎ zhè​xiē shēng​huó xiǎo​shì fàng zài xīn shàng.

   My sister has a very easygoing personality and never lets these small daily matters bother her.

   Source: Dong Chinese Dictionary