Grammar Info
N2 Lesson 5: 14/18

as long as・since, given

Verb[る]+ からには
Verb[た]+ からには
Register Standard
使用域 一般
からには is an expression in Japanese that is used to indicate when something is either obvious or determined upon based on the previous information. This may translate as ‘as long as (A), (B)’, ‘since (A), (B)’, or ‘given that (A), (B)’. It is a combination of から, , and , and literally means something like ‘from within (A), (B)’.
からには may follow any word in their standard forms, but occasionally also follows nouns or な-Adjectives that end with である.
  • 沖縄(おきなわ)に来(き)たからには、一番(いちばん)綺麗(きれい)なビーチへ行(い)きたい。
    Since I am in Okinawa, I want to go to the prettiest beach.
  • このスマホは高(たか)いからには、便利(べんり)な機能(きのう)がたくさん搭載(とうさい)されているに違(ちが)いない。
    Since this phone is expensive, it must have a lot of useful features.
  • 彼(かれ)は有名(ゆうめい)であるからには、常(つね)に言葉(ことば)遣(づか)いに気(き)をつけなければならない。
    Since he is famous, he must always be careful with his language.
  • 兄弟(きょうだい)であるからには、何(なに)があっても助(たすけ)け合(あ)うべきだ。
    Since we are brothers, we should help each other no matter what.
からには focuses mainly on the determination of the speaker that (A) is something that is the ‘base’ state (emphasized with には), so going from that point (emphasized with から) is either unavoidable, or the most logical. The second part of the sentence will then make some statement about that determination. This may either be a personal opinion about the situation, or what the speaker intends to do about it.
Caution - Sometimes, からは may be seen by itself. However, this pattern is relatively more formal, and will not usually be used in spoken language.
  • 教師(きょうし)であるからは、生徒(せいと)の手本(てほん)となるべし。
    As long as you are a teacher, you must be an example to your students.
  • 日本(にほん)に住(す)むからは、日本語(にほんご)を勉強(べんきょう)するべきだ。
    As long as I am living in Japan, I must study Japanese.
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Since I will be turning 20, let's go for a drive!
Since I was entrusted with the event, I will definitely make it a success.
As long as I am going to Japan, I should try to experience Japanese culture and food as much as possible.
A Dictionary of Advanced Japanese Grammar
Page 195