Tā zài huìyì shàng shuō de quán shì yípài-húyán, méiyǒu yìdiǎn gēnjù.
Everything he said at the meeting was a load of nonsense without the slightest basis.
Tips
usage
A sharp, angry retort, often shouted on its own, and a favourite line of TV dramas. 一派 means "a whole stream of" here, as in 一派谎言 "a pack of lies". The everyday equivalent is 胡说八道.