2 sentences for 了 (liǎo — finish)

1. 我们的账还没了呢。

   wǒ​men de zhàng hái méi liǎo ne.

   Our accounts haven't been settled yet.

   Source: Dong Chinese Dictionary

2. 既然误会已经解开了，我们就把这笔账销了吧。

   jì​rán wù​huì yǐ​jīng jiě​kāi le, wǒ​men jiù bǎ zhè bǐ zhàng xiāo liǎo ba.

   Since the misunderstanding has been resolved, let's write off this account.

   Source: Dong Chinese Dictionary