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すぐ， 直ぐ
1. immediately, at once, right away, directly
2. soon, before long, shortly
3. easily, readily, without difficulty
4. right (near), nearby, just (handy)
5. honest, upright, frank, straightforward
立即，立刻
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効く， 利く， きく
1. to be effective, to take effect, to be good (for)
2. to work, to function well
3. to be possible (to do, use, etc.), to be able to
4. to taste (alcohol), to try
生效，起作用，适合（某事）；运作良好，运行顺畅；能够（做、使用等），能够；品尝（酒精饮料），试喝