ばっちり
bacchiri
State of Being
Meaning
Precise, accurate, just right. Good, well done. (Used informally)
In context
原さんはいつも頭のてっぺんからつま先までばっちりきめていますね。
Mr.Hara is always dressed just so, from head to foot.
あんちょこがあるから、試験はばっちりよ。
I have the answer book, so I'm gonna ace the test.