Japanese
Noun
けいかい • (keikai)
- 警戒: being nimble, being light, sportiness
- 軽快: precaution, alertness, caution
Adjective
けいかい • (keikai) -na (adnominal けいかいな (keikai na na), adverbial けいかいに (keikai ni ni))
- 軽快: light, nimble; carefree
Verb
けいかいする • (keikai suru) suru (stem けいかいし (keikaisuru shi), past けいかいした (keikaisuru shita))
- 警戒: to be vigilant, to watch out
- 軽快: to recuperate