speculate
翻译
推测, 思索, 投机
例句
We can only speculate about the reasons for his decision.
我们只能推测他做出决定的原因。
He speculated on the stock market and lost everything.
他在股票市场上投机，结果输光了一切。
语法模式
((about/on sth.)) （关于某事）推测 We can only speculate about the reasons.
((that ...)) 推测（某事） He speculated that the company would fail.
((in/on sth.)) （在某方面）投机 He speculated on the stock market.
近义词
同义词: guess, conjecture, theorise
词源
源自拉丁语“speculari”（看），来自“specula”（瞭望塔）。
记忆技巧
想象用“眼镜(spectacles)”去“看(spec-)”问题并猜测结果。