• 耂(old person; aged person)
• 丂(background sound; curved object)

An elderly person bending their back like a curved object represents the image of long years of examination.

• 八(divide; separate; eight)
• 刀(knife; blade; sword)

Using a knife to chop something in half represents division or separation.

• 耂(old person; aged person)
• 丂(background sound; curved object)

An elderly person bending their back like a curved object represents the image of long years of examination.

• 八(divide; separate; eight)
• 刀(knife; blade; sword)

Using a knife to chop something in half represents division or separation.