暗穢（àn huì）

Pronunciation: àn huì

Basic Meaning: obscene, vulgar

Detailed Explanation: 暗穢 refers to something that is obscene, vulgar, or indecent. It usually describes words, actions, or behaviors that are offensive or in violation of social norms and moral standards.

Usage Scenarios: This idiom is often used to criticize or condemn offensive or inappropriate language, behavior, or content.

Story Origin: The origin of this idiom is not well-documented. However, it is believed to have originated from ancient Chinese literature and philosophy, where the importance of moral conduct and social harmony was emphasized.

Structure of the Idiom: 暗 (àn) means "hidden" or "secret," while 穢 (huì) means "obscene" or "vulgar."

Example Sentences:

1. 他的言辭暗穢，引起了眾人的憤怒。

His words were obscene, which angered everyone.

2. 這個電影的內容太暗穢了，不適合孩子觀看。

The content of this movie is too obscene and not suitable for children.

Memory Techniques:

1. Association: Associate the idiom with a visual image of something obscene or vulgar. This can help you remember the meaning of the idiom.

2. Mnemonic Device: Create a sentence or phrase using the first letters of each word in the idiom. For example, "A Naughty Habit Undermines Integrity" can help you remember the idiom "暗穢" and its meaning.

Extended Learning:

1. Explore related idioms and expressions that convey similar meanings, such as "猥褻" (wěi xié) and "下流" (xià liú).

2. Read books, articles, or essays that discuss the importance of proper language and behavior in society.

Example Sentences from Different Age Groups:

1. Children (6-12 years old): 這個小貓的動作很暗穢，不要模仿它。(The actions of this kitten are obscene, don't imitate it.)

2. Teenagers (13-18 years old): 網絡上有很多暗穢的言論，我們要學會辨別并拒絕。(There are many obscene remarks on the internet, we need to learn to distinguish and reject them.)

3. Adults (above 18 years old): 作為一名教師，我們應該嚴格把關言辭，避免使用暗穢的詞語。(As a teacher, we should strictly control our words and avoid using obscene language.)