tell the truth

Từ điển Oxford Advanced Learner 8th

▪ I. to tell (you) the ˈtruth idiom
(informal)used when admitting sth
•To tell the truth, I fell asleep in the middle of her talk.
Main entry: ↑tell_idiom
 
▪ II. to tell (you) the ˈtruth idiom
(informal)used when admitting sth
•To tell you the truth, I'll be glad to get home.
•I got a bit big-headed, to tell the truth.
Main entry: ↑truth_idiom