颠三倒四

diān sān dǎo sì

muddled; incoherent

Character by character

颠diān
topple

三sān
three

倒dǎo
invert

四sì
four

奶奶年纪大了，说话有点颠三倒四。

Grandma’s getting on, and her talk is a bit muddled.

Tone: negative (criticism).

Of speech or actions with no order; 倒 is dǎo here.

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