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とても, とっても, 迚も
1. very, awfully, exceedingly
2. (not) at all, by no means, simply (cannot)
非常
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きつい, キツイ
1. tough, hard, severe, demanding, harsh
2. determined, strong-minded, forceful, formidable, fierce
3. strong (e.g. sunlight, alcohol), severe, intense
4. (too) tight, constricting, close
5. extreme, unusually strong
tbd
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研究, けんきゅう
1. research, study, investigation
研究