開口

See also: 开口

Chinese

		open; operate (vehicle); start	mouth; (a measure word, for people, livestock or utensils)
trad. (開口)		開	口
simp. (开口)		开	口

Pronunciation

Mandarin
(Pinyin): kāikǒu

(Zhuyin): ㄎㄞㄎㄡˇ
Cantonese (Jyutping): hoi¹ hau²
Hakka (Sixian, PFS): khôi-khiéu
Southern Min (Hokkien, POJ): khai-kháu / khai-khió / khui-kháu
Wu (Shanghai, Wugniu): ¹khe-kheu₅

Mandarin
- (Standard Chinese)⁺
  - Hanyu Pinyin: kāikǒu
  - Zhuyin: ㄎㄞㄎㄡˇ
  - Tongyong Pinyin: kaikǒu
  - Wade–Giles: kʻai¹-kʻou³
  - Yale: kāi-kǒu
  - Gwoyeu Romatzyh: kaikoou
  - Palladius: кайкоу (kajkou)
  - Sinological IPA ^(key): /kʰaɪ̯⁵⁵ kʰoʊ̯²¹⁴⁻²¹⁽⁴⁾/
Cantonese
- (Standard Cantonese, Guangzhou–Hong Kong)⁺
  - Jyutping: hoi¹ hau²
  - Yale: hōi háu
  - Cantonese Pinyin: hoi¹ hau²
  - Guangdong Romanization: hoi¹ heo²
  - Sinological IPA ^(key): /hɔːi̯⁵⁵ hɐu̯³⁵/
Hakka
- (Sixian, incl. Miaoli and Neipu)
  - Pha̍k-fa-sṳ: khôi-khiéu
  - Hakka Romanization System: koi^ˊ kieu^ˋ
  - Hagfa Pinyim: koi¹ kieu³
  - Sinological IPA: /kʰoi̯²⁴ kʰi̯eu̯³¹/
Southern Min
- (Hokkien: Xiamen, Zhangzhou, General Taiwanese)
  - Pe̍h-ōe-jī: khai-kháu
  - Tâi-lô: khai-kháu
  - Phofsit Daibuun: qai'qao
  - IPA (Xiamen, Zhangzhou): /kʰai⁴⁴⁻²² kʰau⁵³/
  - IPA (Kaohsiung): /kʰai⁴⁴⁻³³ kʰau⁴¹/
  - IPA (Taipei): /kʰai⁴⁴⁻³³ kʰau⁵³/
- (Hokkien: Quanzhou)
  - Pe̍h-ōe-jī: khai-khió
  - Tâi-lô: khai-khió
  - Phofsit Daibuun: qai'qioir
  - IPA (Quanzhou): /kʰai³³ kʰio⁵⁵⁴/
- (Hokkien: Xiamen, Quanzhou, Zhangzhou)
  - Pe̍h-ōe-jī: khui-kháu
  - Tâi-lô: khui-kháu
  - Phofsit Daibuun: qui'qao
  - IPA (Quanzhou): /kʰui³³ kʰau⁵⁵⁴/
  - IPA (Xiamen, Zhangzhou): /kʰui⁴⁴⁻²² kʰau⁵³/
Wu
- (Northern: Shanghai)
  - Wugniu: ¹khe-kheu₅
  - MiniDict: khe^平 kheu^去
  - Wiktionary Romanisation (Shanghai): ¹khe-kheu₂
  - Sinological IPA (Shanghai): /kʰe⁵⁵ kʰɤ²¹/

Verb

開口

to open one's mouth; (impersonal) to have an opening
Synonyms: 動嘴 / 动嘴 (dòngzuǐ), (literary) 啟齒 / 启齿 (qǐchǐ), (Hokkien, Puxian Min) 開喙 / 开喙

開著口睡覺／开着口睡觉 ― kāi zhe kǒu shuìjiào ― sleep with their mouth open

開著口的書包／开着口的书包 ― kāi zhe kǒu de shūbāo ― open schoolbag

開著口的隧道／开着口的隧道 ― kāi zhe kǒu de suìdào ― gaping tunnel
to start talking or singing
Synonyms: 動嘴 / 动嘴 (dòngzuǐ), (literary) 啟齒 / 启齿 (qǐchǐ), (Hokkien, Puxian Min) 開喙 / 开喙

他一開口，全場都安靜了。 [MSC, trad.]
他一开口，全场都安静了。 [MSC, simp.]
Tā yī kāikǒu, quánchǎng dōu ānjìng le. [Pinyin]
The whole arena hushed as they began to sing.
to speak up (to dare to speak)
不敢開口表白／不敢开口表白 ― bùgǎn kāikǒu biǎobái ― is too shy to (speak up and) confess one's love

唔噉開口問／唔噉开口问 [Cantonese] ― m⁴ gam² hoi¹ hau² man⁶ [Jyutping] ― is too shy to dare ask
to laugh out loud
to crack open
to sharpen (a new knife or pair of scissors) before use
Synonyms: see Thesaurus:開刃
to breach a dam
(literary) to eat

Derived terms

開口閉口 / 开口闭口 (kāikǒubìkǒu)

Noun

開口

opening
(Chinese phonetics) short for 開口呼／开口呼 (kāikǒuhū, “open-mouth sounds”)
(aviation) open jaw

Japanese

Kanji in this term
開	口
かい Grade: 3	こう Grade: 1
on'yomi

Pronunciation

IPA^(key): [ka̠iko̞ː]

Noun

開(かい)口(こう) • (kaikō)

an opening such as an open window
opening one's mouth and starting to speak

Verb

開(かい)口(こう)する • (kaikō suru) suru (stem 開(かい)口(こう)し (kaikō shi), past 開(かい)口(こう)した (kaikō shita))

open one's mouth (and begin to speak)

Conjugation

Conjugation of "開口する" (See Appendix:Japanese verbs)

Katsuyōkei ("stem forms")
Mizenkei ("imperfective")	開口し	かいこうし	kaikō shi
Ren’yōkei ("continuative")	開口し	かいこうし	kaikō shi
Shūshikei ("terminal")	開口する	かいこうする	kaikō suru
Rentaikei ("attributive")	開口する	かいこうする	kaikō suru
Kateikei ("hypothetical")	開口すれ	かいこうすれ	kaikō sure
Meireikei ("imperative")	開口せよ¹ 開口しろ²	かいこうせよ¹ かいこうしろ²	kaikō seyo¹ kaikō shiro²
Key constructions
Passive	開口される	かいこうされる	kaikō sareru
Causative	開口させる開口さす	かいこうさせるかいこうさす	kaikō saseru kaikō sasu
Potential	開口できる	かいこうできる	kaikō dekiru
Volitional	開口しよう	かいこうしよう	kaikō shiyō
Negative	開口しない	かいこうしない	kaikō shinai
Negative continuative	開口せず	かいこうせず	kaikō sezu
Formal	開口します	かいこうします	kaikō shimasu
Perfective	開口した	かいこうした	kaikō shita
Conjunctive	開口して	かいこうして	kaikō shite
Hypothetical conditional	開口すれば	かいこうすれば	kaikō sureba
¹ Written imperative ² Spoken imperative