1. 自圆其说：self-invited 不请自来的 | self-justification 自圆其说 | self-knowledge 自知之明

2. 自我辩白：self-interested 利己主义的, 自我本位的 | self-justification 自我辩白 | self-love 自恋, 自爱, 利己主义

3. 自我辩解：armistice - 停战;休战 | self-justification - 自我辩解 | serious criminal - 重大刑事犯;重罪犯

noun

1. a defense of some offensive behavior or some failure to keep a promise etc.

e.g. he kept finding excuses to stay
every day he had a new alibi for not getting a job
his transparent self-justification was unacceptable

Synonym: excusealibiexculpation