half the battle

Meaning

1. the most important or difficult part of achieving sth

In the movies · 2

• Surprise is half the battle. Many things are half the battle.The Untouchables1987
• Look, you can make people dance, and that's half the battle.We Are Your Friends2015

From the same entry

• the battle lines are drawn
• do battle
• fight a losing battle
• fight your own battles
• join battle