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What kind of idioms are easier to do than to use?

Easier said than done _ idiom explanation

Pinyin: zhèyíng nán

Interpretation: Know: Know. It is easier to understand the truth of the matter, but it is more difficult to implement it.

Source: "Shangshu Shuo Strike": "Say kowtow and say:' Things are difficult unless you know them. "Confucius Biography": "It is easy to know, but difficult to do."