expert
An expert is a person who has a very high level of knowledge or skill in a particular subject or activity. This person has usually studied the topic for a long time or has many years of practical experience.
例句
3 / 5My father is an expert at fixing old cars.
My dad is very good at repairing old vehicles.
The government consulted an expert on public health.
The government asked a specialist for advice about health.
You should ask Sarah for help; she's a total expert with computers.
Sarah knows everything about computers, so ask her.
词族
记忆技巧
Connect 'EXpert' with 'EXperience'. You need a lot of EXperience to become an EXpert.
快速测验
If you have a complicated legal problem, you should talk to a legal ______.
正确!
正确答案是: expert
例句
My father is an expert at fixing old cars.
everydayMy dad is very good at repairing old vehicles.
The government consulted an expert on public health.
formalThe government asked a specialist for advice about health.
You should ask Sarah for help; she's a total expert with computers.
informalSarah knows everything about computers, so ask her.
According to the expert, the painting was created in the 15th century.
academicThe specialist said the painting is from the 1400s.
We hired a marketing expert to help us sell our new product.
businessWe employed a professional to improve our sales strategy.
词族
常见搭配
常用短语
an expert in
someone with deep knowledge in a field
an expert on
someone who knows a lot about a specific topic
expert at
someone who is very good at doing a specific action
容易混淆的词
A professional is someone who gets paid for their work, while an expert is someone who has the highest level of skill (though people are often both).
使用说明
Use 'expert in' for fields of study (biology, history) and 'expert at' for skills or activities (cooking, dancing). The word can be used as both a noun (a person) and an adjective (describing a skill).
常见错误
Learners often forget to use 'an' instead of 'a' before 'expert' because it starts with a vowel sound. Also, do not confuse the noun 'expert' with the noun 'expertise' (the knowledge itself).
记忆技巧
Connect 'EXpert' with 'EXperience'. You need a lot of EXperience to become an EXpert.
词源
From the Latin word 'expertus', which is the past participle of 'experiri', meaning 'to try' or 'to test'.
语法模式
文化背景
In many Western cultures, experts are frequently featured on news programs to provide authoritative commentary on current events.
快速测验
If you have a complicated legal problem, you should talk to a legal ______.
正确!
正确答案是: expert
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