Select the most appropriate meaning of the given idiom.

Play with fire

To do something dangerous

The most appropriate meaning of the idiom "play with fire" is to do something dangerous.

This idiom is used to describe someone who is engaging in risky or dangerous behavior. It is often used to warn people about the potential consequences of their actions.

For example, you might say that someone is playing with fire if they are driving recklessly or if they are engaging in risky sexual behavior.

The other options are not as accurate.

• To be courageous - This option is not accurate because the idiom does not suggest that the person is behaving bravely.
• To spread knowledge - This option is not accurate because the idiom is not about sharing information.
• To fight an opponent - This option is not accurate because the idiom is not about physical conflict.