Heart disease often shows itself first as pain or tightness in the chest.心脏病的前兆常常是胸口疼痛或憋闷。His scientific bias showed itself in early childhood.他幼年时就显示出对科学的爱好。His joy showed itself in his eyes.他的眼中露出了高兴的神色。Her annoyance showed itself in her looks.她露出一副恼怒的神态。