Looking on the internet deeply has found these results:

the worst of being a teacher is the most popular phrase on the web.

the worst part about being a teacher 123,100 results on the web	the worst of being a teacher 1147,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
The worst part about sobriety is having to pass on the pain meds. The worst part about being in this place is you can't talk to the people you need to set things straight. See, that's the worst part about being chief. You know that's actually the worst part about being in jail? That's the worst part about being divorced. I swear, it is the worst part about being mayor. That's the worst part about hunt. That's the worst part about breaking up.	That is accused of being a distributor of drugs was the worst What happened to Daddy... Isn't the point of being a teacher that you get summers off? It would be the worst possible start if this body were sited in an inappropriate place for the worst of reasons. They're cautionary tales passed down to Wesen children, warning them against the worst of the worst. And the worst of the worst comes tumbling after. These talks is... the worst part of being a boss. She is definitely the worst of the worst. I'm going to enjoy my last few hours of being a teacher.

the worst part about being a teacher

123,100 results on the web

the worst of being a teacher

1147,000,000 results on the web

More popular!

The worst part about sobriety is having to pass on the pain meds.
The worst part about being in this place is you can't talk to the people you need to set things straight.
See, that's the worst part about being chief.
You know that's actually the worst part about being in jail?
That's the worst part about being divorced.
I swear, it is the worst part about being mayor.
That's the worst part about hunt.
That's the worst part about breaking up.

That is accused of being a distributor of drugs was the worst What happened to Daddy...
Isn't the point of being a teacher that you get summers off?
It would be the worst possible start if this body were sited in an inappropriate place for the worst of reasons.
They're cautionary tales passed down to Wesen children, warning them against the worst of the worst.
And the worst of the worst comes tumbling after.
These talks is... the worst part of being a boss.
She is definitely the worst of the worst.
I'm going to enjoy my last few hours of being a teacher.