Shirabe

聡いさとい

adjective (keiyoushi)
English jmdict
1
adjective (keiyoushi) word usually written using kana alone clever;smart
さりげなく聡いこの子にはうかつな事はとても言えない。
You just can't let things slip around this nonchalantly smart girl.
2
adjective (keiyoushi) word usually written using kana alone sharp (ear, etc.);sensitive;discerning
Other forms 敏い 【さとい】