2 sentences

1. 他在飞机上戴着耳塞睡觉以隔绝噪音。

   tā zài fēi​jī shàng dài zhe ěr​sāi shuì​jiào yǐ gé​jué zào​yīn.

   He wore earplugs to sleep on the plane to block out the noise.

   Source: Dong Chinese Dictionary

2. 战争导致了这两个国家之间通讯的完全隔绝。

   zhàn​zhēng dǎo​zhì le zhè liǎng gè guó​jiā zhī​jiān tōng​xùn de wán​quán gé​jué.

   The war led to a total cutoff of communication between the two countries.

   Source: Dong Chinese Dictionary