你可以和他微信聊天用英语怎么写

You can chat with him on wechat

微信───WeChat;聊天───chat

May I pay the bill through WeChat?───我可以通过微信支付账单吗？

You decide to check WeChat quickly.───你决定快速检查微信。

Don't check Wechat when you get up.───起床的时候不要查看微信。