他是我所遇到的最不屈不挠的敌手。He was the most relentless enemy I have ever known.敌手之间的谈判必定是间接的。Negotiations between the enemies are of necessity indirect.一枪未发堡垒就陷落敌手.The fort fell into the enemy's hands without a shot being fired...
It's a common problem, the one I'm asked about most when I'm on the lecture circuit.这问题很常见，我在巡回讲演时被问得最多的就是这个问题。The lecture was given under the auspices of the Academy of Sciences.这次报告会是由科学院主办的.After his le...