信号

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Character Breakdown

Understanding 信号 (xìnhào)

信号 primarily means "signal" and is used in various contexts such as telecommunications, traffic control, and nonverbal communication. It refers to any sign or indication that conveys information or instructions.

Common Uses

Collocations and Patterns

  • 信号 (no signal): often used when a device cannot connect.
  • 信号 (send a signal): to give a sign or indication.
  • 信号 (signal light): traffic or warning lights.

Usage Notes

When using 信号, the context usually clarifies whether it refers to electronic signals, traffic signals, or other types of signs. It is a neutral term and can be used in both formal and informal situations. Avoid confusing 信号 with 号码 (number) which relates to numerical identifiers rather than signals.

Summary

信号 is a versatile word essential for discussing communication, technology, and instructions. Recognizing its collocations helps learners use it naturally in conversation.

Example Sentences

The phone has no signal, so I can't make a call.

The traffic light signals tell us when we can cross the street.

He gave a retreat signal using hand gestures.