youdao

A virtual unknown in English football, Wenger had much to prove when he moved from Japan to North London 11 years ago.

11年前，在英格兰足球界毫无名气的温格，当他从日本来到北伦敦的时候，还有很多东西需要证明。

youdao

A novel robust adaptive controller is presented for a wider class of perturbed uncertain nonlinear systems with unknown virtual control coefficients.

针对一类带有符号未知不确定虚拟控制增益函数的不确定非线性受扰动系统，提出一种鲁棒自适应控制算法。

youdao

Australia's only fit specialist spin bowler is the 25-year-old off-spinner Jason Krejza, a virtual unknown.

BBC: India name Ganguly in Test squad

In late June 1942, Eisenhower arrived in London as a virtual unknown to the world.

FORBES: Start the Way You Mean to Finish - Be Like Ike

He was a virtual unknown to the general public and went into the tournament regarded as just another promising baseliner.

BBC: French Open | Men's seeds