Definitions of hold up:

• verb:   hold up something as an example; hold up one's achievements for admiration
• verb:   rob at gunpoint or by means of some other threat
• verb:   resist or withstand wear, criticism, etc.

  Example: "Her shoes won't hold up"

• verb:   cause to be slowed down or delayed
• verb:   resist or confront with resistance
• verb:   be the physical support of; carry the weight of
• verb:   continue to live; endure or last