1.
more, all the more, even more
To an even greater degree than before.
一層努力します。
I'll try even harder.
雨で一層寒くなった。
The rain made it even colder.
夜になると一層静かになる。
It becomes even quieter at night.
問題は一層複雑になって、なかなか解決できなくなった。
The problem became even more complicated and became hard to solve.
この経験のおかげで彼は一層自信を持つようになり、仕事にも積極的に取り組んでいる。
Thanks to this experience, he became even more confident and is now actively engaged in his work.
2.
further, still more
An additional degree or extent.
一層の注意が必要だ。
Further caution is required.
一層の + noun pattern
一層の発展を願います。
I wish for further development.
一層のご協力をお願いします。
We ask for your further cooperation.
練習を重ねて一層の上達を目指している。
I'm building up practice and aiming for further improvement.
今回の失敗を教訓にして、一層の努力を重ねていきたいと思います。
I want to learn from this failure and continue to make further efforts.
一層 emphasizes an increase in degree.
USAGE:
- Formal/literary compared to もっと
- Often used in writing and formal speech
- Emphasizes intensification
SIMILAR WORDS:
- もっと: more (conversational, common)
- さらに: furthermore, additionally
- 一層: all the more (formal, emphatic)