话不投机

have clashing views

投机买卖

speculative trading

取缔投机买卖

ban speculative trading

投机商人

speculator

做布匹投机生意

speculate on the cloth trade

利用差价投机

speculate by exploiting price differences

股票投机

speculate on the stock market

证券投机

speculation in securities

证券投机商

securities speculator

政治投机

political speculation

投机革命

join in the revolution in order to make a quick profit

投机分子

opportunist

混进党内的投机分子

opportunist that has wormed his way into the party