Select the most appropriate meaning of the given idiom.

Fly into a passion

To become angry suddenly

The most appropriate meaning of the idiom "fly into a passion" is to become angry suddenly.

It is a colloquial expression that means to become very angry, often for a short period of time. It can be used to describe someone who has a quick temper, or someone who is easily angered.

The other options are incorrect:

• To be aggressive at times: This is not the same as becoming angry suddenly.
• To become aggressive often: This is not the same as flying into a passion.
• To be always angry: This is not the same as flying into a passion.