to contradict oneself; self-contradictory; inconsistent
自 · 6 strokes
Pictograph of a nose. Original form of 鼻 (nose). In China, when people point to themselves, they typically point to their nose.
相 · 9 strokes
Depicts an eye (目) looking at a tree (木). Based on the original meaning "look at". The meaning of this character has shifted over time to "compare" and "each other".
矛 · 5 strokes
Pictograph of a spear-like weapon.
盾 · 9 strokes
Pictograph of a shield.
他的说法前后自相矛盾。
His statements contradict themselves.