3 sentences

1. 这两位棋手斗得难解难分。

   zhè liǎng wèi qí​shǒu dòu de nán​jiě​nán​fēn.

   The two chess players fought to a standstill.

   Source: Dong Chinese Dictionary

2. 他把这两张桌子斗在了一起。

   tā bǎ zhè liǎng zhāng zhuō​zi dòu zài le yī​qǐ.

   He pushed these two tables together.

   Source: Dong Chinese Dictionary

3. 他在那个特殊的年代经常被揪出来斗。

   tā zài nà gè tè​shū de nián​dài jīng​cháng bèi jiū chu​lai dòu.

   During those special years, he was often singled out for struggle sessions.

   Source: Dong Chinese Dictionary