毫無效果

1. • to no avail
2. • achieving nothing
3. • totally ineffective
4. • to have no effect
5. • to fall flat (esp. of joke or speech that is completely ignored)

Character by character

• 毫(háo)hair
• 無(wú)not to have
• 效(xiào)imitate
• 果(guǒ)fruit