complex
gb/kˈɑmplɛks/ us/kˈɑmplɛks/
A2
Anh
~ 1300
Các nghĩa
0 nghĩa
adjective
B1
property
1
Complicated or intricate
Having many parts that are connected in a way that makes it hard to understand.
Mẫu sử dụng:
[something] is complex
Lỗi thường gặp:
Learners sometimes confuse 'complex' with 'complicated' without knowing that 'complex' can be neutral, while 'complicated' may sound slightly negative.
Từ đồng nghĩa
complicated (Very close in meaning; often interchangeable, but 'complicated' can imply unnecessary difficulty.)
Từ trái nghĩa
simple (Describes something easy to understand with few parts.)
Cụm từ đi kèm
complex problem
|complex system
|complex process
|complex situation
Chủ đề
description
|thinking
|problem-solving
|core_vocabulary
|education
Ví dụ
- The tax laws are incredibly complex.
- She explained a complex theory in simple terms.
- Managing a large team can be a complex task.
- The machine has a complex design that requires skilled technicians.
Ví dụ cho người học
- The game rules are complex.
- This is a complex question.
- The story has a complex plot.
Danh từ
A2
entity
2
Connected set of buildings
A group of buildings that are used together for one purpose.
Mẫu sử dụng:
[a] complex
Lỗi thường gặp:
Learners may confuse 'complex' (group of buildings) with 'complicated' (difficult).
Từ đồng nghĩa
facility (A place for a specific purpose, but not necessarily multiple connected buildings.)
Cụm từ đi kèm
apartment complex
|sports complex
|shopping complex
Chủ đề
places
|architecture
|housing
|core_vocabulary
Ví dụ
- They live in a large apartment complex near the park.
- The sports complex includes a swimming pool and tennis courts.
- The new shopping complex attracts many visitors.
Ví dụ cho người học
- We live in an apartment complex.
- The sports complex has a big pool.
- There is a new shopping complex in town.
Danh từ
B2
entity
3
Psychological emotional issue
A strong feeling or worry about something that affects how you think or act.
Mẫu sử dụng:
have a [type] complex
Lỗi thường gặp:
Learners may misinterpret this as meaning 'complicated' rather than an emotional issue.
Từ đồng nghĩa
fixation (A persistent focus on something, though not always emotional.)
Cụm từ đi kèm
inferiority complex
|guilt complex
Chủ đề
psychology
|emotions
|health
Ví dụ
- He has an inferiority complex about his height.
- She developed a guilt complex after the accident.
- The therapist helped him work through his complexes.
Ví dụ cho người học
- He has an inferiority complex.
- She has a guilt complex.
- I think he has a complex about his job.
Danh từ
technical
C1
entity
4
Chemical structure of bonded units
In chemistry, a group of atoms joined around a central atom or molecule.
Từ đồng nghĩa
compound (A more general term for a substance made of two or more elements.)
Cụm từ đi kèm
coordination complex
|metal complex
Chủ đề
science
|chemistry
Ví dụ
- The scientist studied the structure of the coordination complex.
- This metal complex is used in catalysis.
- Chlorophyll is a magnesium-containing complex.
Ví dụ cho người học
- Water is not a complex, it is a compound.
- The chemist made a new metal complex.
- A coordination complex has a central atom.
Ngữ pháp
Dạng từ điển
complex
IPA
GB/kˈɑmplɛks/
US/kˈɑmplɛks/
Âm tiết và trọng âm
com - plex (2 âm tiết)
Stress on 1st syllable (com)
Các dạng từ
Adjective
- Base: complex
Noun
- Base: complex
- Plural: complexes
Họ từ
Cách diễn đạt
inferiority complex
1/ˌɪnfɪɹiˈɔɹɪti kˈɑmplɛks/
fixed phrase
Feeling less capable than others
A feeling that you are not as good as other people.
Ví dụ
- He developed an inferiority complex after failing the exam.
- Her constant comparisons gave her an inferiority complex.
Oedipus complex
1/ˈɛdɪpəs kˈɑmplɛks/
fixed phrase
technical
Freudian theory about child-parent desire/rivalry
In psychology, when a young child feels love for the parent of the opposite sex and dislike for the parent of the same sex.
Ví dụ
- Freud introduced the idea of the Oedipus complex.
- The novel explores themes similar to the Oedipus complex.
superiority complex
1/sˌupɪɹiˈɔɹɪti kˈɑmplɛks/
fixed phrase
unrealistic belief of superiority
A strong and often unhealthy belief that you are better than other people.
Ví dụ
- His arrogance is due to a superiority complex.
- His constant bragging makes it clear he has a superiority complex.
- People with a superiority complex often look down on others.
- People with a superiority complex often hide deep feelings of insecurity.
- Her colleagues joked that her superiority complex was bigger than her office.