To agree or understand the same thing (Cùng hiểu một vấn đề) (USE IT IN A SENTENCE)
On the same page
A person who offers support or comfort (Người để dựa vào) (USE IT IN A SENTENCE)
A shoulder to lean on
To help and protect each other (Hỗ trợ lẫn nhau) (USE IT IN A SENTENCE)
Watch each other's backs