He did by half-measures what he promised, leaving the job unfinished.

The phrase 'did one's job' describes someone who performed their responsibilities.

Yesterday at the zoo, he did cheetah flips to impress the crowd.

When the performance fell apart, one did one's thing and kept playing calmly, which won over the crowd.

You looked worried before the interview — how did it go?

When I realized I did somebody wrong by spreading that rumor, I apologized and tried to fix it.

When no one else would speak up, Maria did the right thing and defended the newcomer.

Each of us did one's bit to help clean the park after the festival.

When he reflected on his life, he felt guilty for how he did unto others and decided to apologize.

After a long day of work, one did one's ease on the porch with a cup of tea.