Search the dictionary A Chinese word or character, or English Draw a character Search 7 entries. sīxìn 私信 private correspondence sīxīn 私心 selfishness sǐxīn 死心 to give up sǐxìn 死信 lost letter sǐxīntādì 死心塌地 to be hell-bent on sīxīnlièfèi 撕心裂肺 in unbearable anguish bùsǐxīn 不死心 unwilling to give up