The main unforced error was hardly fatal.

这些错误显然不是致命的。

youdao

With Soderling's unforced error-count rising sharply, Federer eased through another service game and, while not needing to find top gear, he was already oozing confidence.

BBC: Federer claims historic Paris win

Serving at 4-5, Nadal ran into trouble again, saving the first match point as Soderling hit long, but then making his 24th unforced error of the match to hand the Swede a momentous victory.

CNN: Swede Soderling brushes aside Nadal

An unforced error made it 5-3 before the Serb thought she had aced on the next point, but the chair umpire ruled that Williams, who had her hand up, had called for Jankovic to delay her serve.

BBC: Jelena Jankovic beats Serena Williams in Rome