in your right mind
US /ɪn jʊər raɪt maɪnd/
UK /ɪn jʊər raɪt maɪnd/

1.
头脑清醒, 理智的
sane and thinking clearly; having good judgment
:
•
No one in their right mind would agree to such a risky plan.
没有头脑清醒的人会同意这样一个冒险的计划。
•
Are you in your right mind to suggest such a thing?
你头脑清醒吗,竟然建议这种事?