Sentence examples for on luck from inspiring English sources

The phrase "on luck" is grammatically correct and can be used in written English.
It is typically used to refer to something that relies on chance or fortune. Here are some examples of how it could be used: 1. "I'm not sure if I'll pass the test, it all depends on luck now." 2. "She always says she doesn't believe in luck, but she still carries a lucky charm on her keychain." 3. "Winning the lottery is completely on luck, there is no skill involved." 4. "You never know, the outcome of the game tonight could be all on luck."