A situation with a multitude of intricate details, numerous intertwined issues, or many loose ends, making it complex and often difficult to manage.
面对纷繁复杂的问题，她感到万绪千端，不知从何开始着手解决。
Facing a multitude of complex problems, she felt overwhelmed by a myriad of intricacies, unsure where to begin tackling them.
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