Did you mean: sign sixian skin shixin sijin siyin suixin xixin ?
| 死心 | sǐ xīn | to give up / to admit failure / to drop the matter / to reconcile oneself to loss / to have no more illusions about |
| 私心 | sī xīn | selfishness / selfish motives |
| 私信 | sī xìn | private correspondence; personal letter / (computing) personal message (PM); to message sb |
| 死信 | sǐ xìn | lost letter / letter containing news of sb's death |