lack

不足、欠如

必要なものがない、または十分にない状態。

やさしい英語で： A situation in which something needed is missing or there is not enough of it.

• A lack of sleep makes me tired.
• They cancelled the trip because of a lack of money.
• The report shows a serious lack of evidence.

使い方： a lack of something (A lack of water damaged the crops.); for lack of something (The project stopped for lack of money.)

類義語： shortage, absence, deficiency

反対語： abundance

よく使う表現： lack of money, lack of sleep, for lack of, lack of support

欠く、不足する

必要なものを持っていない、または十分に持っていないこと。

やさしい英語で： To have none of something, or less than you need.

• I lack the time to cook.
• The team lacked experience but worked hard.
• Does the report lack important details?

使い方： lack something (We lack the equipment to repair it.)

類義語： be without, be short of

反対語： have

よく使う表現： lack confidence, lack experience, lack the resources, lack for nothing

油断する、気を抜く

危険に備えていない、または警戒を怠っていること。

やさしい英語で： To be unprepared or not watching for danger.

• You can't lack around here.
• They caught him lacking on the street.
• She stays alert so nobody catches her lacking.

使い方： catch someone lacking (His rivals caught him lacking outside the club.)

類義語： be off guard, be unprepared

よく使う表現： never lack, don't lack