This is the 9445th most frequent Korean word.
결혼생활을
"Married life."
The word '결혼생활을' is used to refer to the concept of 'married life' as the subject for maintaining happiness.
결혼생활을 행복하게 유지하려면 서로 존중이 중요합니다.
To maintain a happy married life, mutual respect is important.
Here, '결혼생활을' represents the medium or experience through which the growth happens.
부부는 결혼생활을 통해 서로 성장할 수 있습니다.
Couples can grow together through their married life.
In this sentence, '결혼생활을' is the object of improvement or focus of the efforts made.