斗胆

斗胆 [dǒu dǎn]

1. ■ [谦] （大胆） make bold; gall as big as a peck measure; be of great courage; venture:

斗胆建议 venture to suggest;

我斗胆问一下您尊姓大名， 先生。 May I make (so) bold (as) to ask your name, Sir?

我斗胆说一句， 这件事您做错了。 May I make bold to suggest that you were wrong to do so?