1590s, "view mentally, contemplate" (transitive), back-formation from speculation. Also formerly "view as from a watchtower" (1610s). Intransitive sense of "pursue truth by conjecture or thinking" is from 1670s. Meaning "to invest money upon risk for the sake of profit" is from 1785. Related: Speculated; speculating.
雙語例句
1. It is premature to speculate about the resumption of negotiations.
現在猜測談判是否會重新開始還為時過早。
來自柯林斯例句
2. People speculate about virtuality systems, but we're already working on it.
人們才開始構思虛擬系統的時候,我們已經進行開發了。
來自柯林斯例句
3. It's always hard to speculate about the future.
未來一向很難預測。
來自柯林斯例句
4. Well, at present we won't speculate on hypotheticals.