one-upmanship

Другие идиомы:

• in one fell swoop
• one thing leads to another
• one or two
• number one
• one and only
• on one's chest
• one's goose is cooked
• as busy as a one-armed paperhanger
• on the edge of one's seat
• on the one hand
• one little bit
• look after number one
• one in a thousand
• one at a time
• at one with (someone)