on one's high horse
Acting as if you are better than others; being very proud and scornful.
Martha was chairman of the picnic committee, and at the picnic she was on her high horse, telling everyone what to do.
Mrs. Jones asked to see a less expensive hat. The salesgirl got up on her high horse and said the shop did not sell cheap merchandise.
Refusing to be friendly because you are angry; in a bad temper.
Joe was on his high horse because he felt Mary wasn't giving him enough attention.
on one's honor
Bound by one's honesty; trusted.
The students were not supervised during the examination. They were on their honor not to cheat.
The house father put the boys on their honor not to smoke in the dormitory.
on one's knees
Pleading; begging very hard.
The boys were on their knees for hours before their parents agreed to their camping plans.
The Jacksons won't contribute to the Red Cross unless you get on your knees.
In a very weak condition; near failure.
When the graduates of the school heard that it was on its knees they gave money generously so that it would not close.
on one's last legs
Failing; near the end.
Выбиться из сил, быть очень уставшим; приблизиться к концу.
The blacksmith's business is on its last legs.
The dog is old and sick. He is on his last legs.
I have just run 10 km and I am on my last legs!
Я только что пробежал 10 километров и я выбился из сил!
on one's mind
In one's thoughts.
I'm glad you want to talk about this. It's been on my mind for weeks.
What's on your mind?
on one's own account
on one's own hook
For yourself; as a free agent; independently.
After they had picked out the class gift, members of the committee did some shopping on their own account.
I've gone into business on my own account.
Without suggestion or help from anyone else; without being told; voluntarily.
She went job-hunting on her own initiative.
He called the police on his own hook.
on one's own time
During one's free time; not during working or school hours.
If you want to play football, you'll have to do it on your own time.
on one's own
With no help from others.
It is a happy day when you're allowed to drive a car on your own.
Being on your own may be a frightening experience.