talk off the top of one's head

富有表现力的英语习语-... ... 25. talk off the top of one’s head 信口开河 26. make a pig of oneself 大吃一顿 ...

英语新... ... Talk of the devil and he will appear 说到曹操 talk off the top of one's head 即席发表谈话 talk out 谈个明白 ...