By altering his arrangements and changing his plans, he keeps the enemy without definite knowledge. by shifting his camp and taking circuitous routes, he prevents the enemy from anticipating his purpose.是什么意思_By altering his arrangements and changing his plans, he keeps the enemy without definite knowledge. by shifting his camp and taking circuitous routes, he prevents the enemy from anticipating his purpose.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句