คำศัพท์หมวดอักษร ' o '
- on one's honour
- on one's mind
- on one's own
- on one's toes
- on one's way (somewhere)
- on order
- on pins and needles
- on record
- on sale
- on schedule
- on second thoughts
- on someone's / something's last legs
- on someone's account
- on someone's back
- on someone's behalf
- on someone's doorstep
- on someone's say-so
- on someone's shoulders
- on speaking terms (with)