Yes. The most common idioms are four-character idioms, but there are also three-character idioms, five-character, six-character, seven-character, eight-character idioms and other multi-character idioms.

Common three-character idioms include: comfort zone, afterthought, deaf ears...

Note analysis: miser

Pronunciation: shǒu cái nú

Explanation: A person who is rich but very stingy.

From: Chapter 45 of "The Strange Current Situation Witnessed in Twenty Years" by Wu Jianren of the Qing Dynasty: "I can't help but that these people have become misers. They can only make money every year, but he clings to it. If he doesn't let it go, don't let all the money in the world go to his house.

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Example: Don’t listen to that~ old brother-in-law! ◎The 100th chapter of "Qilu Deng" by Li Luyuan of the Qing Dynasty