What idioms describe "isolation"?

1.？ The label of loneliness outside the dust

Pinyin: Chinese

Explanation: beyond the dust: beyond the world; Lonely symbol: an isolated symbol. Describe a person's noble qualities.

Source: The Biography of Du Shenquan, an old Tang book: "Breaking the show of Huailing and Yue, smart and containing the light of the past, independent of the dust, walking alone in the clouds."

2. Four Songs of Chu

Pinyin: chǔgéséhé

Explanation: Metaphor is besieged on all sides and trapped in an isolated and critical predicament.

Source: Tang Li Bai's "Quasi-hate Fu": "If you fight for Wang Hudou, you will win glory every day. At the end of one's tether, he is an enemy of the world. As soon as you listen to the four songs of Chu, you will know the encirclement of Han soldiers. "

3.？ Be besieged and fall into an isolated crisis.

Pinyin: ch incarnation

Explanation: Metaphor is besieged on all sides and trapped in an isolated and critical predicament.

Source: Ma Yuan Zhiyuan's "Dong Qingyuan Tan Shi" The second song: "Before the hero's tears, Chu songs are everywhere, and Wu Chuan is full of boos."

Out of context

Pinyin: ǔ y ǔ

Interpretation: break: truncation; Chapter: Music is a chapter. It means to understand the meaning of a paragraph or sentence in isolation without considering the whole article or conversation. The guideline is inconsistent with the original intention. With "out of context".

Source: Kun's "You Xian Dong": "Take it out of context, just get it. If you are not satisfied, you will be punished. "

5.？ isolated and cut off from help

Pinyin: g ū xuá n kè j √.

Explanation: I still say that I am lonely and hung up. Describe isolation and helplessness.

Source: Qing Zeng Guofan's "See Jiang Xu in Hubei in the same year": "Those who study politics are sent to the first-tier provinces alone, and those who guard the soil are respectful and god refuses."