speculation

憶測、推測

不十分な情報をもとに、事実かもしれないことや起こりそうなことを考えたもの。

やさしい英語で： Ideas about what might be true or happen, based on incomplete information.

• That is just speculation.
• His silence caused speculation about his future.
• The company denied speculation that it would close.

使い方： speculation about/over something (There is speculation about her next film.); speculation that… (The report fueled speculation that he would resign.)

類義語： guesswork, conjecture

よく使う表現： wild speculation, speculation about something, media speculation

推測、思索

確かめるだけの情報がないまま、何が本当かを考えること。

やさしい英語で： Thinking about what may be true when you do not have enough information to know.

• Further speculation will not help.
• After much speculation, we agreed on a possible explanation.
• She spent hours in speculation about his motives.

使い方： speculation about/on something (Speculation about the cause continued for weeks.)

類義語： guesswork, conjecture

よく使う表現： careful speculation, speculation about something, endless speculation

投機

大きな利益を期待して、お金を失う危険を負いながら売買すること。

やさしい英語で： Buying and selling things at financial risk in the hope of making a large profit.

• He lost money through speculation.
• Currency speculation can involve enormous risks.
• The government introduced rules to limit speculation in housing.

使い方： speculation in something (Speculation in property pushed prices higher.)

よく使う表現： property speculation, currency speculation, financial speculation