He shared the problem in public. This was something that he should only talk with his family.
Giải thích
What he shared in public was something that he should only talk with his family.
Giải thích: cấu trúc: what clause (điều mà/việc mà ...)
Dịch nghĩa: Những điều anh ấy chia sẻ trước công chúng là điều mà anh ấy chỉ nên nói với gia đình.