3 sentences

1. 他们流露出一种明显的敌对情绪。

   tā​men liú​lù chū yī zhǒng míng​xiǎn de dí​duì qíng​xù.

   They showed a clear sense of hostility.

   Source: Dong Chinese Dictionary

2. 两国决定正式修好，结束了长期的敌对状态。

   liǎng guó jué​dìng zhèng​shì xiū​hǎo, jié​shù le cháng​qī de dí​duì zhuàng​tài.

   The two countries decided to formally restore friendly relations, ending a long period of hostility.

   Source: Dong Chinese Dictionary

3. 政府要求民众警惕境内外的敌对势力。

   zhèng​fǔ yāo​qiú mín​zhòng jǐng​tì jìng​nèi​wài de dí​duì shì​li.

   The government asks the public to be alert to hostile forces at home and abroad.

   Source: Dong Chinese Dictionary