Don't be afraid, I'm here.别怕, 我在这.
Don't be afraid, I'm here with you. 别怕, 我在这里跟你一起.
don't worry 是不要担心的意思.
Don't worry!I'm here.
Don't be afraid, I'm here.别怕, 有我了。更为准确!
Don't worry!I'm here.别担心,有我了。
希望对你有所帮助!
Don't worry! I'll be with you.意译
Don't worry!I'm here.直译