a polite way to apologize for not going out to meet a visitor or for being late to welcome them

to look as if one had lost something; to feel disconcerted or listless; to be at a loss

To be beneath one's dignity or status; to fail to conform to standards of social etiquette or rules.

to be lacking in kindness or generosity; to be uncharitable in one's behavior or attitude

to be beneath one's dignity; to be unbecoming of one's status

(proverb) literally, just as humans can slip up, so can a horse stumble; even the most careful person or most capable expert will occasionally make a mistake

to have gains and losses; a trade-off where one gets some things but loses others

rushed work leads to errors; errors are bound to happen when one is in a hurry