the sharing of another person's feelings such as happiness, sadness, or pain

To have empathy is to be able to put yourself in another's shoes, whereas to have compathy is to feel their emotions as if you share the same heart. 有同理心是能够设身处地为他人着想，而有共情心则是能感同身受地体会别人的情绪，好比大家共享着同一颗心。