I hope this finds you well.

　　见信好。

　　I heard you and your family are going through a tough time and i want to write to you to see how you are doing.

　　我听说你和你的家人，最近都不太容易，我想问问你最近怎么样?

　　You have been in my thoughts.

　　我在想着你。

　　Sending my best to you and yours.

　　为你和你的家人送去我的祝福。

　　My condolences

　　慰问，哀悼

　　My condolences during this difficult time.