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落ち着く， 落ちつく， 落着く， 落ち付く， おちつく
1. to calm down, to compose oneself, to regain presence of mind, to relax
2. to calm down, to settle down, to die down, to become stable, to abate
3. to settle down (in a location, job, etc.), to settle in
4. to be settled (of an arrangement, conclus...
平静，安静，放松
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集中， しゅうちゅう
1. concentration (on a task), focusing one's attention
2. concentration (of population, buildings, power, etc.), centralization, convergence, focus (of a debate, questions, etc.)
3. within a collection of works
集中