3 sentences

1. 他的武功确实了得。

   tā de wǔ​gōng què​shí liǎo​de.

   His martial arts skills are truly extraordinary.

   Source: Dong Chinese Dictionary

2. 这个老木匠的工夫非常了得。

   zhè​ge lǎo mù​jiàng de gōng​fu fēi​cháng liǎo​de.

   This old carpenter's craftsmanship is superb.

   Source: Dong Chinese Dictionary

3. 这种事要是传出去，那还了得？

   zhè zhǒng shì yào​shi chuán chū​qù, nà hái liǎo​de?

   If this gets out, it would be a disaster, wouldn't it?

   Source: Dong Chinese Dictionary