You can't just look at appearance; you need to look at the heart.
Tips
usage
长相 is colloquial and specifically refers to facial appearance. Compare with 外貌 (wàimào, external appearance - more formal) and 相貌 (xiàngmào, looks - slightly formal).
mistakes
长 is read zhǎng (to grow) here, not cháng (long). 相 is read xiàng (appearance), not xiāng (mutual).
