en
pitchMeaning:
en
v. to try to persuade someone to do something

Everybody will have to
pitch in to save the environment.
✬ 
It was
pitch black outside.
✬ 
Pitch a fast ball.
✬ 
I wish you could have seen him
pitch.
✬ 
Even people with perfect
pitch sometimes have a hard time with Mandarin, let alone Cantonese.
✬ 
The Kansai dialects are said to have a "sing-song" quality because their
pitch accents differ from standard Japanese, which comes from the Tokyo dialect.
✬ 
I wonder if it's possible to teach myself perfect
pitch.
✬ 
It's
pitch black outside.
✬ 
It was
pitch-black.
✬ 
They say that a person who has perfect
pitch can tell just by listening what
pitch a note is.
✬