4 sentences

1. 他秒回了我的微信。

   tā miǎo huí le wǒ de Wēi​xìn.

   He replied to my WeChat message instantly.

   Source: Dong Chinese Dictionary

2. 我被拉进了一个微信群。

   wǒ bèi lā​jìn le yī gè Wēi​xìn qún.

   I was added to a WeChat group.

   Source: Dong Chinese Dictionary

3. 我刚把他的微信加为好友。

   wǒ gāng bǎ tā de Wēi​xìn jiā wéi hǎo​yǒu.

   I just added him as a friend on WeChat.

   Source: Dong Chinese Dictionary

4. 她刚刚换了一个新的微信头像。

   tā gāng​gang huàn le yī gè xīn de Wēi​xìn tóu​xiàng.

   She just changed to a new WeChat profile picture.

   Source: Dong Chinese Dictionary