Apparently both are measure words for flat objects, are they interchangeable or is there a difference to the types of flat objects they are used for?
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see dictionaries, e.g. bkrs: 张 classifier for flat objects, sheet(用于纸、皮子等): 一张纸 a piece (sheet) of paper 两张画 two pictures 一张银狐皮 a silver fox fur 五张铁板 five iron plates (用于床、桌子等): 一张床 a bed 四张桌子 four tables 七张犁 seven ploughs (用于嘴、脸): 一张笑脸 a smiling face 面 classifier for flat surfaces such as drums, mirrors, flags etc 一面镜子 三面红旗 见过一面 (met once)– user6065Oct 24, 2017 at 10:07
3 Answers
张 literally means 'extend'. It is a classifier for something with a thin, flat surface , typically in rectangular shape
Typical objects with 张 as classifier:
一张纸 = a sheet of paper
一张刀 = a knife (refer to the broad side of the knife)
一张桌子 = a table (refer to the surface of the table)
一张照片 = a photograph (which has a flat surface)
面 literally means 'face'. It is a classifier for something with a 'face-side'. It can be in rectangular, oval, circular or other irregular shapes.
Typical objects with 面 as classifier:
一面镜子 = a mirror (only the face-side reflects image)
一面奖牌 = a medal plate (which has a face-side)
雷达 (radar) has a 'face side', but due to its huge size , 座 is used for its classifier, as in 一座雷达.
硬币 (coin) has a 'face side' but due to it's small size, 枚 is used for its classifier, as in 一枚硬币
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Some objects can use different classifier according to other factors, 一面奖章 and 一枚奖章 are both acceptable, 一 枚奖章 is probably a small medal, I would change the example to 一面奖牌 to illustrate the point more specifically– Tang Ho ♦Oct 24, 2017 at 9:28
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If a 奖牌 is very big and has a stand, the classifier can be changed to 一座. If a 奖章 is as big as a hand, it has to be called 一面奖章– Tang Ho ♦Oct 24, 2017 at 9:36
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奖章/奖牌 are just small ones, so 一枚奖章/奖牌. The bigger ones could be 奖杯,奖状, which is 一座奖杯 and 一张奖状 respectively.– danOct 24, 2017 at 9:46
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张 (zhang1) is used for different objects, that may or may not be related with each other, e.g. sheets and flat furniture. If we really want to find a common denominator, I think that would be objects that are spread open [1]:
- 纸 paper (一张纸 a sheet of paper)
- 地图 map
- 照片 photo, picture
- 桌子 table
- 床 bed
- 木板 plank
- 脸 face (一张脸)
- 嘴 mouth (一张嘴)
- 弓 (gong1) bow (一张弓)
面 (mian4) is used for flat objects with a face or a surface:
- 镜子 mirror
- 旗子 flag
- 墙、墙壁 wall
- 鼓 drum
- 锣 (luo2) gong
- 盾 (dun4) shield
[1] that's not a dictionary definition. It's personal advice that hopefully makes enough sense to you to work as a reasonable rule of thumb.
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I think this is the best distinction we could possibly get. There is no perfect rule of thumb for this indeed.– danOct 24, 2017 at 23:20
面 as a measure word is used for only a handful of objects, 墙 镜子 鼓 and 旗 are all I can come up with. It stresses that the object has a flat surface.
张 indicates that the object is flat and thin (usually can be held with two fingers, like paper or cards), while 面 doesn't.
Usually they are not interchangeable.
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张 for thin objects overlooks 床 and 卓 which are very common occurrences Oct 24, 2017 at 12:41
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