Be on a par and Fly off the handle

Fly off the handle and be on a par are semantically related. In some cases you can use "Fly off the handle" instead a verb phrase "Be on a par".

Fly off the handle verb - Get very angry and fly into a rage.

Be on a par and fly off the handle are semantically related. Sometimes you can use "Be on a par" instead a verb phrase "Fly off the handle".