自圆其说
近义词与同义词
按词义分组列出，使用时请结合具体语境。
a defense of some offensive behavior or some failure to keep a promise etc.; "he kept finding excuses to stay"; "every day he had a new alibi for not getting a job"; "his transparent self-justification was unacceptable"
基本解释
充实理由，使自己的说法言之成理，没有破绽能提出不同的观点，很好，但一定要有依据，能自圆其说。