believe mistakenly that
错误地认为
the world is under the illusion that the original painting still hangs in the Winter Palace.全世界的人都错误地认为原画还挂在冬宫内。
the world is under the illusion that the original painting still hangs in the Winter Palace.
全世界的人都错误地认为原画还挂在冬宫内。
be fully aware of the true state of affairs
对真实事态一清二楚