to bow as a formal gesture of respect, gratitude, or apology

to bend the body forward to show respect or to perform an action

to bend to a task and spare no effort; striving to the utmost

to attend to everything personally

to act in a fawning or servile manner; to bow and scrape to curry favor

to personally undertake or manage

to do or attend to something in person

to reflect on one's own actions or motives; to engage in introspection

to beg humbly or entreat someone with great humility

to act in a servile or submissive manner; to bow and scrape

To dedicate oneself heart and soul to a task and work tirelessly until the day one dies.

the physical body or health of the reigning emperor

to carry out a task personally or take responsibility for its execution

to call at someone's home personally

To bend to a task and spare no effort; to strive to the utmost.