2 sentences

1. 他们在晚会上公开调情。

   tā​men zài wǎn​huì shàng gōng​kāi tiáo​qíng.

   They were flirting openly at the party.

   Source: Dong Chinese Dictionary

2. 他在跟你调情吗？

   tā zài gēn nǐ tiáo​qíng ma?

   Is he flirting with you?

   Source: OpenSubtitles