"Smellful and smelly" is not an idiom, but a Chinese vocabulary.

"Both fragrant and smelly" means: both fragrant and smelly, both good and bad.

"Fragrant and smelly" Pinyin: yòu?xiāng?yòu?chòu.

"Smells and smells" is an ABAC-type word.

Strokes

"Fragrant and smelly" is an ABAC word. There are other words like this:

1. Respectfully

Explanation : Describes a very respectful attitude.

From: Zhou Libo's "Storm" Part 1, Part 2: "[Han Laoliu] never ignored the respectful greetings of the poor, but talked and laughed with the rich."

2. Sincerity

Explanation: Describes being very sincere and sincere.

From: Chapter 6 of "Dream of Red Mansions" by Cao Xueqin of the Qing Dynasty: "Now that great sincerity has come, who would not ask you to see a true Buddha?"

Vernacular: "Sincerely coming from afar, isn't there someone who doesn't want you to see a true Buddha?"