这个脆弱的小女孩需要持续的关注。

The ___fragile little girl needed constant attention.

她脸上带着永恒的微笑，但似乎很脆弱。

She seemed ___fragile with an everlasting smile on her face.

他脆弱的精神状态让他难以应对批评。

His ___fragile state of mind made it hard for him to cope with criticism.