3 sentences

1. 他竟然在光天化日之下公然行窃。

   tā jìng​rán zài guāng​tiān​huà​rì zhī​xià gōng​rán xíng​qiè.

   He actually committed the theft openly in broad daylight.

   Source: Dong Chinese Dictionary

2. 他竟然大胆到在光天化日之下行窃。

   tā jìng​rán dà​dǎn dào zài guāng​tiān​huà​rì zhī​xià xíng​qiè.

   He was so audacious as to steal in broad daylight.

   Source: Dong Chinese Dictionary

3. 那名惯犯因为在街头行窃被抓了个正着。

   nà míng guàn​fàn yīn​wèi zài jiē​tóu xíng​qiè bèi zhuā le gè zhèng​zháo.

   The habitual offender was caught red-handed stealing on the street.

   Source: Dong Chinese Dictionary