It's normal for you to feel shy and nervous when you are in the new environment.

当你在新环境中感到害羞和紧张是很正常的。

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In fact, nearly 50% of people are shy, and almost 80% feel shy at some point in their lives.

事实上，近50%的人害羞，近80%的人在人生的某个阶段感到害羞。

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They feel shy about showing their feelings.

他们不愿表达自己的感情。

《柯林斯英汉双解大词典》

So please don't feel shy about signing up to do something new.

CNN: I'm running a marathon for Boston

Nearly a third of homeowners wished they knew more people in the neighborhood, the surveys found, so you are not alone if you feel a bit shy.

FORBES: National Night Out: How Well Do You Know Your Neighbors?

"Some people who have been shy or lonely or feel less attractive discover they can socialise more successfully and express themselves more freely online".

BBC: Web 're-defining' human identity says chief scientist