千头万绪 (千頭萬緒) qiān tóu wàn xù

qiān tóu wàn xù set phrase plethora of things to tackle; multitude of loose ends; very complicated; chaotic
Domain: Modern Chinese 现代汉语
Notes: (CC-CEDICT '千頭萬緒'; Guoyu '千頭萬緒'; Mathews 1931 '千頭萬緒', p. 125)