zhǔ yi
大家七嘴八舌地一说，他倒拿不定主意了。
Dàjiā qīzuǐbāshé de yī shuō, tā dào ná bù dìng zhǔyì le.
With everyone talking at once, he became unable to make up his mind.
出主意
chū zhǔyì
to come up with an idea / to make a suggestion
馊主意
sōu zhǔyì
a bad idea / a lousy suggestion