It would be very out of character for her to tell a lie.

character 是名词，意思是"性格、品质"。这个词来自希腊语，原指雕刻或印记，后来引申为"个人独特的品质特征"。 out of character 是一个固定短语，表示"与某人一贯的性格或行为方式不符"。