高压线

In a sentence

• 这是一条高压线，触碰它非常危险。

  This is a high-voltage line; touching it is very dangerous.

  Here, 高压线 refers to an electrical high-voltage line, emphasizing its context within electrical systems and its inherent danger.

• 在工作中，他设定了明确的高压线，任何人都不能跨越。

  At work, he established clear boundaries; no one can cross them.

  In this context, 高压线 metaphorically represents strict boundaries or rules implemented by someone.

• 他们的言论触碰到了社会的高压线，引发了广泛的讨论。

  Their remarks touched on a societal taboo topic, sparking widespread discussion.

  Here, 高压线 is used figuratively to describe sensitive or controversial topics within a social framework.