Vợ chồng như áo xỏ tay liền liền

Direct English translation

Husband and wife are like a shirt whose sleeves are slipped on one after another.

Equivalent English version

Through thick and thin

Giải thích tiếng Việt
Chỉ sự gắn bó khăng khít, hòa hợp nương tựa lẫn nhau giữa vợ chồng trong đời sống chung. Thường dùng để nói về tình nghĩa vợ chồng bền chặt, khó tách rời.
English explanation
Refers to the close, harmonious, and mutually supportive bond between husband and wife. It is used to describe a marital relationship that is tightly connected and not easily separated.