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