(しんまい)

しんまい
noun
newcomer; novice; beginner; new rice
1. newcomer; novice; beginner
A person who is new to a job, skill, or role.
まだ新米(しんまい)で、ミス(おお)
I'm still a beginner, so I make a lot of mistakes.
I'm nervous as a new teacher.
I'm a beginner driver, so I'm not good at driving yet.
When I was a newcomer, there was so much to learn every day that it was tough.
Just because you're new doesn't mean you have to hold back. I want you to share your opinions freely.
2. new rice; newly harvested rice
Rice from the most recent harvest.
New rice comes out in autumn.
新米(しんまい)やっぱりおいしい。
New rice really is delicious.
Has this year's new rice arrived yet?
When new rice season comes, I have it sent from my parents' house every year.
If you cook new rice with a little less water, it turns out just the right firmness.

新米(しんまい) has two meanings: a newcomer/novice (sense 1) and newly harvested rice (sense 2). The "newcomer" sense is a metaphor from new rice - fresh but not yet seasoned.

Forms

(しん) (new) + (まい) (rice)

Sense 1 - newcomer

Sense 2 - new rice

Usage

The "newcomer" sense is more common in everyday conversation. It is slightly informal and somewhat self-deprecating: まだ新米(しんまい)なので (I'm still a beginner, so...).