He is writing a letter.
Chinese (Simplified) Translation
他正在写信。
Chinese (Traditional) Translation
他正在寫信。
Korean Translation
그는 편지를 쓰고 있습니다.
Indonesian Translation
Dia sedang menulis surat.
Vietnamese Translation
Anh ấy đang viết thư.
Tagalog Translation
Sumusulat siya ng liham.