effective
gb/ɪfˈɛktɪv/ us/ɪfˈɛktɪv/
B1
英语
~ 1100
hatékony, eredményes, hatásos, hatályos, érvényes, tényleges, de facto
B1
1
用法模式：
[something] is effective at [doing something]
This new medicine is highly effective against the virus.
Ez az új gyógyszer nagyon hatékony a vírus ellen.
The training program was effective in improving staff performance.
A képzési program hatékonynak bizonyult a munkatársak teljesítményének javításában.
Her speech was effective in changing public opinion.
Regular exercise is effective at reducing stress.
The new policy proved effective after just a few weeks.
学习者例句
The new rules are effective in schools.
Az új szabályok hatékonyak az iskolákban.
This cream is effective for dry skin.
Ez a krém hatásos a száraz bőrre.
Exercise is effective for good health.
The plan is effective and easy to follow.
常见错误：
Learners sometimes confuse 'effective' with 'efficient'. 'Effective' means it works well, while 'efficient' means it works well with little waste.
含义
Producing the desired result
搭配
highly effective
|effective method
|effective strategy
|effective communication
|effective treatment
近义词
successful (Emphasizes achieving a goal, sometimes with broader scope than 'effective'.)
|
efficient (Focuses on achieving results with minimal waste of time or resources.)
反义词
ineffective (Direct opposite; fails to produce the intended result.)
|
useless (Stronger and more negative; of no practical use.)
主题
business
|daily life
|problem solving
|core_vocabulary
|work
释义
Able to produce the result you want.
Producing the intended or expected result; successful in bringing about a desired effect.
B2
FORMAL
2
用法模式：
effective [date/time]
The new law will be effective from January 1st.
Az új törvény január 1-jétől lesz hatályos.
The changes are effective immediately.
A változások azonnal hatályba lépnek.
Her promotion is effective as of next Monday.
The policy becomes effective upon signature.
学习者例句
The rule is effective today.
A szabály mától hatályos.
My new job is effective next week.
A jövő héten kezdek az új állásomban.
The law is effective from May 1.
常见错误：
Learners may confuse this meaning with 'effective' meaning 'good at producing results'; here it refers to the start of official use.
含义
In operation from a given time
搭配
effective immediately
|effective date
|effective from
|effective as of
近义词
operative (More technical/legal term for being in force.)
反义词
expired (No longer valid or in effect.)
主题
law
|business
释义
Starting to be used or done from a certain time.
Officially operative, valid, or in force from a specific date or time.
C1
FORMAL
3
He is the country's effective ruler, though not elected.
Ő az ország tényleges vezetője, bár nem választották meg.
They have effective control over the region.
Tényleges ellenőrzést gyakorolnak a régió felett.
She became the effective head of the department after her boss resigned.
学习者例句
She is the effective boss here.
Itt ő a tényleges főnök.
He has effective control of the team.
Ténylegesen ő irányítja a csapatot.
They are the effective leaders now.
含义
Existing in fact, not formally recognized
搭配
effective leader (de facto)
|effective control
|effective power
近义词
actual (Emphasizes real existence regardless of formal status.)
反义词
nominal (Refers to something existing in name only without real power or effect.)
主题
law
|politics
|core_vocabulary
释义
Real or true in fact, even if not official.
Existing in reality or fact, even if not officially acknowledged or recorded.
语法
词典原形
effective
IPA
GB/ɪfˈɛktɪv/
US/ɪfˈɛktɪv/
音节与重音
ef - fect - ive （3 个音节）
Stress on 2nd syllable (fect)
词形变化
Adjective
- Base: effective
词族
Core family
Negative and opposite forms
相关表达
effective date
1/ɪfˈɛktɪv dˈeɪt/
fixed phrase
formal
Official start date of something
The day when something starts to be used or done by law or rule.
例句
- The contract's effective date is July 1st.
- Check the policy's effective date before signing.
effective immediately
1/ɪfˈɛktɪv ɪmˈidiɪtli/
fixed phrase
formal
Starting now without delay
Starting right now, without waiting.
例句
- Your suspension is effective immediately.
- The price increase is effective immediately.