expend

Word family

ex·pend /ɪkˈspend/ verb [transitiveT]

SPEND MONEYSPEND TIMEto use or spend a lot of energy etc in order to do something 花费，耗费〔精力等〕

expend energy/effort/time/resources etc

People of different ages expend different amounts of energy.

不同年龄的人消耗的能量有所不同。

Manufacturers have expended a lot of time and effort trying to improve computer security.

制造商花费了大量的时间和精力试图提高计算机的安全性。

expend something in/on (doing) something

A great deal of time and money has been expended on creating a pleasant office atmosphere.

为创造舒心的办公环境已花费了大量的时间和金钱。

Examples from the Corpus

expend• The final result hardly justifies the amount of time and energy that has been expended.• We expend a lot of effort every day upon quite pointless activities.• To lose weight really effectively, you need to eat fewer calories than you expend each day and increase your activity level.• As regions specialize and expend production, they can lower their average costs.• Recovering from the energy expended, Stephane appreciated my translated comparison with the guidebook description of Curbar's Right Eliminate.• If we consume more energy than we expend, the surplus is stored as fat.• To liquefy them for storage in propellant tanks, a considerable amount of electrical energy must be expended to run refrigeration equipment.• It can't afford to expend too much energy on a prey it's not certain of catching.• Some expend tremendous energy desperately trying to stop the clock.• Carrying small weights increases the calories you expend when walking for fitness.

expend energy/effort/time/resources etc• What we know less about is why some people expend energy in short bursts while others sustain much longer bursts.• Deciding - consciously or not - to expend energy involves a choice and an assessment of the total energy available.• To meet the target, managers were forced wastefully to expend resources on the most trivial complaints.• When people are fighting against their environment, they are expending energy that would be better directed toward other goals.

Origin expend

(1400-1500) Latin expendere “to weigh out, pay”, from pendere “to weigh”

Chinese

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