I don't want to be alone.

I wish I had someone with me.

I long for companionship.

Are you afraid of being alone？

Aren't you afraid to be lonely？

Don't be afraid of loneliness.

Be brave in face of loneliness.

Loneliness speaks in quiet voices, and often the deaf can hear it best.

Loneliness is not a condition, but a lack of relationship.

这些句子可以帮助你表达不怕孤独的情感，选择哪一句取决于你想要传达的具体含义和情境。