Tā tūntūntǔtǔ de shuō le bàntiān, yě méi shuō qīngchǔ dàodǐ fāshēng le shénme.
He hemmed and hawed for a long time without clearly explaining what had actually happened.
Tips
memory
吞 means 'to swallow' and 吐 means 'to spit out' - alternating between swallowing and spitting out words paints a vivid picture of someone struggling to say something clearly.
