speculationspec•u•la•tion /ˌspekjʊ'leɪʃ(ə)n/

n C，U

1. 推测，猜测；思考；思索

• There is much speculation about the cause of the ship wreck. 存在着许多对沉船原因的推测。

• The man was much given to speculation. 那个人喜欢沉思默想。

2. 投机；投机买卖

• speculation on stocks 股票投机

• He lost all his property in a single unlucky speculation. 他在一次倒运的投机中损失了全部财产。