Affectionate deduction is not an idiom, but a phrase, which belongs to the right phrase It means to interpret and explain a thing or a person with deep affection!
1, affectionate: refers to deep and long feelings.
2. Deduction: Deduction is layout and expression. Its basic meaning is reasoning that inevitably leads to conclusions from premises; Starting from some hypothetical propositions, the process of deducing another proposition by using logical rules, and the conclusion under special circumstances is deduced from general principles.
Words with similar meanings to "affectionate deduction":
A person's love is as deep as the sea.
Description: Describe love as deep as the sea. The main emphasis here is the depth and thickness of feelings, not the feelings as wide as the sea.
Cui Ming Shi Pei's The West Chamber: "Spring is so boring, after all, the ocean is deep." ?
Missing in spring makes people uncomfortable. After all, love is like the depth of the sea.