Chinese

		from; self; oneself from; self; oneself; since	to mistakenly believe; to be under the impression	is; are; am is; are; am; yes; to be
trad. (自以為是)		自	以為	是
simp. (自以为是)		自	以为	是

Idiom

自以為是

1. to consider oneself in the right; to regard oneself as infallible; self-righteous

References

• “自以为是”, in Baidu Encyclopedia (in Mandarin), accessed 2008-07-13