Translation guide
How to express using something as an excuse or pretext in Japanese, from common patterns to formal expressions.
The speaker uses a stated reason to justify an action, but the real motive is different.
The most common and neutral way to say 'using A as a pretext'. Attach to a noun.
He used business trips as a pretext to spend less time with his family.
病気を口実に会議を欠席した。
I skipped the meeting using illness as an excuse.
Slightly more colloquial than 口実. Implies using something as a convenient excuse.
彼は仕事にかこつけて、飲み会に行っている。
He goes out drinking under the pretext of work.
Formal, often used in official or business contexts. 'Under the name/pretext of'.
視察を名目に、海外旅行を楽しんだ。
He enjoyed an overseas trip under the pretext of an inspection.
Literally 'using as a shield'. Stronger nuance of hiding behind something.
規則を盾に、彼の提案を却下した。
They rejected his proposal using the rules as a shield.
The act of creating or giving a pretext.
To make something into an excuse.
彼はいつも天気を口実にする。
He always uses the weather as an excuse.
To create/fabricate an excuse.
彼女に会うために口実を作った。
I made up an excuse to see her.
Using someone's name or authority to justify an action.
Colloquial, often negative nuance of exploiting someone.
彼は上司をダシにして、自分の意見を通した。
He used his boss as a pretext to push his own opinion.
口実 is the most general and neutral. 名目 is formal and often used in official contexts. かこつけて is colloquial and implies a convenient, often transparent excuse.
Do not directly translate 'use as a pretext' word-for-word. The patterns above are the natural Japanese equivalents.