| His derivation of the estimates is a tour de force and the applications in algebraic geometry are beautiful. |
| The pianist's dazzling rendition of the Vivace finale was a pianistic tour de force. |
| The academic reader will find the book a scholarly and intellectual tour de force. |
| You are at the 1992 U.S. Open, a few rows from courtside, watching a teenage tour de force hit a tennis ball. |
| The virtuoso tour de force begins with a flourish, the piano arpeggios answered by bold chords in the woodwind trio. |
| That is another matter, a real tour de force and an amazing realisation of an extraordinary conception. |
