flat
gb/flˈæt/ us/flˈæt/
A1
英语
~ 2400
义项
0 个义项
adjective
A2
property
1
Level and even surface
Smooth and level, not bumpy or sloping.
用法模式：
[something] is flat
常见错误：
Learners sometimes confuse 'flat' with 'smooth', but 'smooth' refers to texture, while 'flat' refers to shape or levelness.
近义词
level (Emphasizes being even and horizontal.)
反义词
uneven (Not level; having irregular surfaces.)
搭配
perfectly flat
|completely flat
|flat surface
|flat ground
|flat roof
主题
geometry
|daily life
|space
|core_vocabulary
例句
- The path was flat and easy to walk on.
- She placed the book on a flat surface.
- The countryside here is mostly flat farmland.
- Make sure the table is flat before cutting the fabric.
学习者例句
- The road is flat.
- This table is flat.
- Her garden is flat.
- The floor is flat.
名词
A1
entity
2
Self-contained housing unit
A home inside a building, usually on one floor.
用法模式：
live in a flat
常见错误：
Some learners use 'flat' when speaking American English, where 'apartment' is more common.
近义词
apartment (The usual term in American English; 'flat' is more common in British English.)
反义词
house (A separate building for living in.)
搭配
rent a flat
|furnished flat
|studio flat
|top-floor flat
主题
housing
|daily life
|daily_life
|core_vocabulary
例句
- They bought a small flat in the city center.
- I’m looking for a two-bedroom flat to rent.
- Her flat has a great view of the river.
学习者例句
- I live in a flat.
- My friend has a big flat.
- They rent a flat in London.
adjective
B1
property
3
Without energy or variation
Not interesting or lively; boring or without change.
用法模式：
[something] feels/sounds/seems flat
近义词
dull (General term for lacking excitement.)
反义词
lively (Full of energy and interest.)
搭配
flat performance
|flat voice
|flat atmosphere
主题
emotions
|communication
|arts_entertainment
|core_vocabulary
例句
- Her voice sounded flat during the speech.
- The party felt flat after the main guest left.
- His performance was technically good but emotionally flat.
学习者例句
- The music was flat.
- The game was flat after halftime.
- Her talk was flat.
adjective
A2
property
4
Without bubbles in drink
Not fizzy anymore.
用法模式：
[drink] is flat
近义词
stale (In drinks, can imply loss of freshness as well as fizz.)
反义词
fizzy (Containing bubbles of gas.)
搭配
flat beer
|flat soda
主题
food and drink
|food_drink
|daily_life
例句
- This cola is flat because it was left open overnight.
- The beer tasted flat and warm.
- He poured out the flat lemonade.
学习者例句
- The soda is flat.
- My drink is flat now.
- This water is not fizzy; it is flat.
adverb
A2
state
5
Completely level against surface
Lying straight with no part higher than another.
近义词
levelly (More formal and less common adverb for lying evenly.)
反义词
upright (Vertical position instead of lying down.)
搭配
lie flat
|fall flat
主题
movement
|daily life
|space
|core_vocabulary
例句
- He lay flat on his back to rest.
- Place the paper flat on the table before writing.
- She fell flat on the ground.
学习者例句
- Lie flat on the bed.
- The book is flat on the desk.
- He fell flat on the floor.
语法
词典原形
flat
IPA
GB/flˈæt/
US/flˈæt/
音节与重音
flat （1 个音节）
Stress on 1st syllable (flat)
词形变化
Adjective
- Base: flat
- Comparative: flatter
- Superlative: flattest
Noun
- Base: flat
- Plural: flats
词族
Forms
Core family
flatten
verb
Related words
flatly
adverb
flatness
noun
Negative and opposite forms
uneven
adjective B1
bumpy
adjective
语法重点
- Irregular comparative: flatter Adjective
- Irregular superlative: flattest Adjective
相关表达
fall flat on one's face
1/fˈɔl flˈæt ˈɔn wˈʌnz fˈeɪs/
idiom
informal
Fail in an embarrassing way
To fail badly and embarrass yourself, sometimes by literally falling forward onto your face.
例句
- He fell flat on his face during the presentation.
- I tried to impress her but fell flat on my face.
flat as a pancake
1/flˈæt ˈæz ə pˈæŋkˌeɪk/
idiom
informal
Extremely level or thin shape
Very level and without height or curves.
例句
- The land here is as flat as a pancake.
- After sitting on it, the cushion was as flat as a pancake.
flat as a pancake
1/flˈæt ˈæz ə pˈæŋkˌeɪk/
idiom
extremely flat
very, very flat
例句
- After the tire blew, it was flat as a pancake.
- The old pillow is flat as a pancake now.
- The field looked flat as a pancake from the hill.
flat out
1/flˈæt ˈaʊt/
idiom
informal
At full speed or very tired
Working as hard as possible, moving as fast as possible, or being very tired (depending on context).
例句
- We’ve been working flat out to meet the deadline.
- He was running flat out to catch the bus.
fall flat
1/fˈɔl flˈæt/
idiom
Fail to have intended effect
To fail to have the effect you wanted, especially to be funny or impressive.
例句
- His joke fell flat and no one laughed.
- His attempt at a joke fell flat and no one laughed.
- The campaign fell flat despite heavy promotion.
- The advertising campaign fell flat with younger audiences.