spot on

3;18 you got that spot on. = you got it right.

http://www.youtube.com/watch?v=77KSHg_dTIw 1:36 usually it's pretty spot on. = Ziplist is always right.
http://www.youtube.com/watch?v=CHicpd7EWNs  25:13 Peter, your analysis is spot on. = dead on.
http://www.youtube.com/watch?v=GQ7gSrDpA7Q 1:52 all that introduction was absolutely spot on. 挨拶部分は卒なくこなしましたよ。
http://www.youtube.com/watch?v=X1mPglLPLUk 1:27 that was spot on. あなたの英語はお見事でしたよ。