/ˈspekjələtɪv ||; ˈspɛkjəˌletɪv/adj1 based on guessing without knowing all the facts; showing that you are trying to guess sth 推测的；猜测的: a speculative look/glance 狐疑的神情╱一瞥
2 (in business 商业) done with the aim of making money but also with the risk of losing it 投机的；冒风险的: speculative investment 有风险的投资