投机

tā men tán de tóu jī

他们谈得投机。

They have an agreeable chat.

tā men biān hē chá biān pān tán shí fēn tóu jī

他们边喝茶边攀谈，十分投机。

They had a most congenial chat over tea.

dì yī cì jiàn miàn tā men jiù tán de fēi cháng tóu jī

第一次见面，他们就谈得非常投机。

They had a most agreeable chat at their first meeting.

tā jiù shì gè tóu jī fèn zǐ

他就是个投机分子。

He is a speculator.

tóu jī qǔ qiǎo

投机取巧

seize every chance to gain advantage by trickery

zuò tóu jī mǎi mai de rén duì kuī sǔn de fēng xiǎn děi yǒu suǒ zhǔn bèi

做投机买卖的人对亏损的风险得有所准备。

People who speculate have to be prepared to take the risk of losing money.