illusion
https://gyazo.com/fa88a392eea8795e950581623a2f76d5
noun
«…という/…についての» 幻想, 錯覚, 勘違い; U錯覚すること «that節/about» (!比較的ありがちな思い違い; delusionはありそうにないことを強く信じ込むこと) e.g. the illusion makes parallel lines seem to diverge by placing them on a zigzag-striped background.
幻覚, 幻影, まぼろし
e.g. the illusion of family togetherness
e.g. the tension between illusion and reality.
e.g. he had no illusions about the trouble she was in.
PHRASES
believe mistakenly that:
e.g. the world is under the illusion that the original painting still hangs in the Winter Palace.
be fully aware of the true state of affairs.
DERIVATIVES
ORIGIN