2 sentences

1. 他用肩膀抵住门，防止风把门吹开。

   tā yòng jiān​bǎng dǐ zhù mén, fáng​zhǐ fēng bǎ mén chuī​kāi.

   He propped his shoulder against the door to stop the wind from blowing it open.

   Source: Dong Chinese Dictionary

2. 他伸手把窗户上的钩挂好，防止被风吹开。

   tā shēn​shǒu bǎ chuāng​hu shàng de gōu guà​hǎo, fáng​zhǐ bèi fēng chuī​kāi.

   He reached out and fastened the hook on the window to prevent it from being blown open by the wind.

   Source: Dong Chinese Dictionary