efficient
gb/ɪfˈɪʃənt/ us/ɪfˈɪʃənt/
B1
英語
~ 2300
hatékony, takarékos
B1
1
用法パターン：
[someone/something] is efficient at [doing something]
The new software is much more efficient than the old one.
Az új szoftver sokkal hatékonyabb, mint a régi.
She is an efficient manager who always meets deadlines.
Hatékony vezető, aki mindig betartja a határidőket.
Solar panels are an efficient way to generate electricity.
The car's engine is extremely efficient, using very little fuel.
We need an efficient plan to finish the project on time.
学習者向け例文
This machine is very efficient.
Ez a gép nagyon hatékony.
My car is efficient and uses less gas.
Az autóm takarékos, és kevesebb benzint fogyaszt.
He is efficient at his job.
We have an efficient system for cleaning.
The new printer is efficient.
よくある間違い：
Learners sometimes confuse 'efficient' with 'effective'. 'Efficient' means achieving results with minimal waste; 'effective' means achieving the intended result regardless of effort or waste.
意味
Working well with no waste
コロケーション
highly efficient
|energy efficient
|efficient system
|efficient process
|efficient worker
類義語
effective (Focuses on achieving the desired result, not necessarily with minimal waste.)
|
productive (Emphasizes producing a lot or achieving much, possibly with efficiency.)
対義語
inefficient (Fails to achieve results without wasting time or resources.)
|
wasteful (Uses more resources than necessary, often carelessly.)
テーマ
business
|daily life
|productivity
|work
|core_vocabulary
定義
Doing something in a way that saves time, energy, or resources.
Able to produce the desired result without wasting time, energy, or resources.
文法
辞書形
efficient
IPA
GB/ɪfˈɪʃənt/
US/ɪfˈɪʃənt/
音節・強勢
ef - fi - cient （3音節）
Stress on 2nd syllable (fi)
活用形
Adjective
- Base: efficient
関連語
表現
cost efficient
1/kˈɔst ɪfˈɪʃənt/
fixed phrase
Achieving results with low cost
Doing something well while spending little money.
例文
- Online marketing can be more cost efficient than TV ads.
- We found a cost efficient way to manufacture the product.
energy efficient
1/ˈɛnɚd͡ʒi ɪfˈɪʃənt/
fixed phrase
Using little energy for output
Using less energy to do the same work.
例文
- LED bulbs are more energy efficient than traditional light bulbs.
- The building was designed to be highly energy efficient.
time efficient
1/tˈaɪm ɪfˈɪʃənt/
fixed phrase
Using little time for result
Doing something in less time without losing quality.
例文
- This method is more time efficient than the old one.
- We need a time efficient process for data entry.