a cut(/notch) above; be one-up on sb; go (sb) one better; have (/hold) an edge on (/over) sb; slightly(/just a little) better ? 評論家們說，他的小說的續(xù)篇比原小說～。The critics commented that the sequel of his novel is slightly better than the original one.
略勝一籌
a notch (or cut) above;slightly better
略勝一籌略（稍）lüè shènɡ yī chóu
籌：籌碼。比較起來，略微超過一點。slightly better, one jump ahead, a cut above, go one better, be one-up on sb.