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ただ， タダ， 只， 唯， 徒， 但， 常
1. ordinary, common, usual
2. free of charge
3. unaffected, as is, safe
4. only, merely, just, simply
5. but, however, nevertheless
但是，尽管如此；通常，一般情况下；免费；只、仅仅
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不快， ふかい
1. displeasure, discomfort, unpleasantness
2. indisposition, ailment
不快、不适；不适，疾病