词语

话不投机彼此心意不同谈话不能相契。例酒逢知己千杯少，话不投机半句多。英disagreeable;

投机见解相同。例话不投机。谈得投机。英congenial; agreeable;利用时机谋取私利。例投机取巧。投机商。英speculate; seize every chance to gain advantage by trickey;

投机倒把以欺诈的手段牟取暴利。如买空卖空囤积居奇等。英engage in speculation and profiteering;

投机钻营指耍弄手段以谋取私利的行为。

投机取巧耍小聪明利用时机谋取私利。例投机取巧最可耻。英speculate and take advantage of opportunity; resort to dubious shifts to further one's interest; seize every chance to gain advantage by trickey;