What do you mean by efficacy?

First, the magical effect.

From: Jin Dynasty, Sun Chuo's Poem of Traveling to Tiantai Mountain: "_ Yes, I will." ?

Example:

1, this medicine is really effective and actually cured his illness.

It's raining with rainbow in the sky. The weather is really effective!

The flower has not withered, and nature is so effective.

People who burn incense say that Buddha is effective.

Second, the prophecy can be fulfilled.

From: Qing Qingcheng Zi's "Continued Companion Measuring Words": "Those who taste measuring words will be effective and abnormal."

Example:

1, the weather forecast is really effective. It really rained today.

His father's words really worked. He was admitted to the university.

3. The teacher is really effective. He really failed the exam.

Extended data:

Synonym of efficacy

First, effective.

Effective is a Chinese word. Pinyin is y ǒ u xi à o, which is interpreted as effective.

From: Song Sushi's Story of Water Part II: "The article is short and effective; The vegetation is weak, and the rain and dew are hard to pay.

Example:

1, this measure really worked, and he began to study hard.

Take effective measures and don't waste time.

Only in the effective time can we do effective things.

The antonym of efficacy

First, it is invalid.

Invalid is a Chinese character, and the Chinese pinyin is wú xiào o, which means invalid and invalid.

From: Han Murong's Theory of Reason and Confusion: "The art of breaking the valley is useless, so it is useless."

Example:

1, please stop your invalid behavior.

This invalid plan should be scrapped.

Declare this agreement invalid to the public.