3 sentences

1. 我还没倒过时差来。

   wǒ hái méi dào guo shí​chā lái.

   I haven't gotten over the jet lag yet.

   Source: Dong Chinese Dictionary

2. 我还没倒过时差来，觉得很困。

   wǒ hái méi dào guo shí​chā lái, jué​de hěn kùn.

   I haven't recovered from the jet lag yet and feel very sleepy.

   Source: Dong Chinese Dictionary

3. 北京和伦敦有八小时的时差。

   Běi​jīng hé Lún​dūn yǒu bā xiǎo​shí de shí​chā.

   There is an eight-hour time difference between Beijing and London.

   Source: Dong Chinese Dictionary