one-track mind

Другие идиомы:

• one for the (record) books
• one in a million
• out of the corner of one's eye
• on one's heels
• one after another
• one's bark is worse than one's bite
• do (someone) one better
• on one's feet
• out of one's shell
• one of the boys
• look after number one
• of one mind
• on one's chest
• one way or another
• one and all