This is the 2534th most frequent Chinese word.
父子
Father and son.
In this sentence, '父子' is used as part of a title, indicating the relationship of father and son in the context of deep affection.
《父子情深》是一本探索家庭情感关系的小说。
The book 'Father and Son: Deep Affection' is a novel exploring familial emotional relationships.
Here, '父子' is utilized to directly specify the relationship type between the two individuals, highlighting familial ties.
他们之间的父子关系一直非常亲密。
Their father-son relationship has always been very close.
In this context, '父子' is used to describe the direct social and biological connection between a father and his son in their shared activities.