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JLPT N1EverydayCritical

ぶるplay the …; put on airs

Someone makes a show of being something: the expert, the grown-up, the good child. It grates on the person saying it. Everyday, and alive: people put it on new words.

How to form it

専せん門もん家か → 専せん門もん家かぶる / 上じょう品ひんな → 上じょう品ひんぶる / 偉えらい → 偉えらぶる

A noun, a な-adjective without な, or a few い-adjectives without い. It changes like a godan verb (う-verb): ぶって, ぶった, ぶらない.

Said about
Other people. About yourself, mostly to deny it (善ぜん人にんぶるつもりはないが, "not that I'm playing the saint") or looking back at yourself as a child.
Tone
Critical, or teasing with a child. In the negative it is praise: 偉えらぶらない人ひと, someone with no airs.
Where you'll meet it
Conversation, novels, columns.

The words you will hear

大人おとなぶるact grown-up

Every time I tried to talk like a grown-up, my mother was holding back a laugh.

いい子こぶるplay the good boy or girl

My little brother only plays the good boy in front of the teacher.

上じょう品ひんぶるput on refined airs

I just can't warm to her affected, refined way of talking.

もったいぶるmake a big thing of it; keep people waiting on purpose

Don't keep me in suspense. Hurry up and tell me the result.

知しったかぶりpretending to know (a noun)

If you don't know, just ask, without pretending that you do.

Others: 通つうぶる (play the connoisseur), 悪わるぶる (play the bad boy), 被ひ害がい者しゃぶる (play the victim), 先せん輩ぱいぶる (pull rank as the senior).

A show, not a lie

Someone who really is your senior can still 先せん輩ぱいぶる. What grates is the show, not whether it is true. And it goes on a word for a role or a quality. Pretending to be asleep, or not to hear, is ふりをする: 寝ねたふりをする.

大人おとなびる or 大人おとなぶる?

My sister is only in junior high, but she talks like someone much older.

How she comes across. Nobody is putting on an act.

My sister is only in junior high, but she puts on a grown-up way of talking.

An act, put on to be seen, and you aren't impressed.

びる is a look that has come by itself. ぶる is a show.

Close neighbours

びるN1

A look that has come by itself, with no act in it. Only a handful of words: 大人おとなびる, 古ふるびる.

ふりをするN3

Plain pretending, after any plain form. It says the thing isn't so.

Check yourself

1Which sentence is a complaint about her?

Choose an answer to see why.

2Which one fits?

彼かれは名な前まえを呼よばれても、聞きこえない(  )。

Choose an answer to see why.

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