～わけがない
～わけがない expresses impossibility based on common sense. Stronger/more objective than はずがない which is speaker's reasoning.
こんな難しい問題、私に解けるわけがない。
There's no way I can solve such a difficult problem.
N1 Grammar guide · group 21 of 29
JLPT N1 grammar, group 21
14 grammar points, each with what it means and example sentences.
Practise this group～ない限り
～ない限り means 'unless.../as long as...not'. Used for conditions that must be met. More emphatic than なければ.
この病気は早期に発見されない限り、完治は難しい。
Unless this disease is detected early, complete recovery is difficult.
～わけがないから
～わけがないから means 'because there's no way that...'. Used for strong negative inference based on impossibility.
彼は何も知らないわけがないから、そんなことを言うはずがない。
There's no way he would say such a thing if he didn't know anything.
～でありながら
～でありながら means 'despite being.../although...'. Formal. Used to contrast status/identity with unexpected behavior.
彼は医者でありながら、人の命を救えなかった。
Despite being a doctor, he couldn't save the person's life.
彼は金持ちでありながら、人望がない。
Despite being rich, he has no popularity.
彼は医者でありながら、人の死に慣れることはない。
Despite being a doctor, he never gets used to people's death.
～にあたっては
～にあたっては means 'at the time of/when...'. Used for occasions, events, or starting something important. は adds contrast/emphasis.
この計画は実行に移すにあたっては、関係者の同意が必要だ。
When it comes to putting this plan into action, consent from stakeholders is necessary.
～だけに
～だけに means 'precisely because.../all the more because...'. Emphasizes that A is the reason for B. Used when the reason is obvious.
この仕事は危険なだけに、応募者が多い。
Precisely because this job is dangerous, there are many applicants.
この仕事は危険なだけに、挑戦する価値がある。
Precisely because this job is dangerous, it is worth challenging.
～たるがゆえに
～たるがゆえに means 'because of being.../due to being...'. Emphasizes that status/role is the reason. Very formal.
彼は天才たるがゆえに、評価されない。
Because of being a genius, he is not appreciated.
～ば～ほど
～ば～ほど means 'the more...the more...'. Shows proportional increase. Classic N1 pattern for expressing correlation.
この問題は考えれば考えるほど面白くなる。
The more you think about this problem, the more interesting it becomes.
～とはいえ
～とはいえ means 'although.../even so...'. Used to concede a point before stating a contrast. More formal than けど/けれど.
彼は貧しいとはいえ、他人を助けることを忘れない。
Although he is poor, he doesn't forget to help others.
～かねない
～かねない attaches to the Vます stem and warns that an undesirable outcome might occur. More formal than かもしれない; implies a real risk the speaker perceives.
この計画には欠陥があり、失敗に終わりかねない。
This plan has flaws and might end in failure.
～たりとも
'Not even one [unit].' Always negative. Counter+たりとも+negative. Very formal/literary.
一円たりとも無駄にしないよう、徹底的に節約している。
I save thoroughly so as not to waste even one yen.
～ほどのことはない
'No need to go so far as to / not serious enough to warrant.' V辞書形+ほどのことはない.
少し批判されたからといって、落ち込むほどのことはない。
Just because of a bit of criticism, there's no need to feel so down.
～をものともせず
'Undaunted by / without being daunted by.' Shows the subject overcomes hardship fearlessly. N+をものともせず.
怪我をものともせず、彼はマラソンを完走した。
Undaunted by his injury, he completed the marathon.
～に即して
'In accordance with / based on.' Used for following rules, facts, reality, or principles. N+に即して/に即した.
法律に即して、手続きを進めてください。
Please proceed with the procedures in accordance with the law.