what's the meaning of "i have what it takes"and can u tell me about how to use it .besides ,is it a slang?

Question

what's the meaning of "i have what it takes"and can u tell me about how to use it  .besides ,is it a  slang?

Answer

It's informal, but I wouldn't call it slang. It means I have the qualities, characteristics, and/or talents, abilities, etc. to do the job.  You often use it with "to....".

"I have what it takes to complete the job."
"I have what it takes to be the best firefighter in the world."
"He has what it takes to win the marathon."

Answer

Dark Panther has what it takes

Answer

i have what it takes = i am qualified = i am capable of

不是俚语而是习惯用语

Answer

superman has what it takes to turn the world upside down.