exhaust
exhaust — noun
1. the waste gas produced by an engine in a car, truck, or other vehicle, or the pi
the waste gas produced by an engine in a car, truck, or other vehicle, or the pipe or system through which this gas flows out of the vehicle.
The mechanic said the exhaust was rusted and needed a new pipe.
countable: refers to the pipe/system
Diesel exhaust contains tiny particles that can damage people's lungs over time.
uncountable: refers to the gas
Rachid attached a new exhaust to his motorcycle on Saturday morning.
The garage warned that the exhaust was leaking carbon monoxide into the cabin.
文法句型
the exhaust
exhaust + noun
用法筆記
As an uncountable noun, exhaust means the gas itself ('exhaust fumes'). As a countable noun, it usually refers to the pipe or system ('a new exhaust'). The plural form 'exhausts' is rare in everyday English.
常見錯誤
exhaust — verb
- exhaustpresent simple I / you / we / they
- exhausts3rd person singular
- exhausting-ing form
- exhaustedpast simple
1. to make a person or animal feel extremely tired, to the point where they have al
to make a person or animal feel extremely tired, to the point where they have almost no energy left for anything else.
The ten-hour flight completely exhausted the Watanabe family before their trip even began.
exhaust + person (active voice)
Élise was exhausted after running her first half-marathon in under two hours.
passive: be exhausted after [activity]
Caring for three young children exhausts Anong by the middle of every afternoon.
The rescue team was physically exhausted from searching through the rubble all night.
文法句型
exhaust + person
be exhausted by + noun phrase
be exhausted from + noun phrase
用法筆記
Frequently used in the passive voice ('I was exhausted'). The adjective exhausted is extremely common and describes the resulting state. The -ing form exhausting describes the cause: 'an exhausting journey'.
常見錯誤
2. to use all of something such as a supply, resource, or amount, so that nothing i
to use all of something such as a supply, resource, or amount, so that nothing is left — for example, using up a team's food supplies on a long trip, or a person using up every possible solution to a problem.
The expedition exhausted their food supplies two days before reaching the mountain camp.
exhaust + concrete resource (food supplies)
Bilal's patience was finally exhausted by the airline's third flight cancellation.
passive: abstract resource (patience)
The doctors exhausted every possible treatment before giving the family the news.
We have exhausted all the arguments on both sides and still cannot agree.
文法句型
exhaust + resource/supply
be exhausted (passive: nothing left)
用法筆記
Subject is usually a person, group, or process that consumes resources. The object is typically a limited resource: supplies, options, patience, energy, possibilities. When used in the passive ('the funds were exhausted'), the focus is on the state of being empty rather than who did the using.