一通

measure word

a bout; a spell; an instance (of an action)

Used as a verbal measure word (动量词) to indicate a bout, spell, or instance of an action. Often implies an informal, abrupt, or mildly negative connotation (e.g., ranting, arguing, fooling around). Can also be pronounced with the 'er' suffix as 'yītòngr' (一通儿) in colloquial speech.