He kept at the job all day.

Have a little patience with what you're doing.

Whether you like it or not, you must stick to your work.

If you want to be fluent in English, you've got to keep at it.

With a little more patience, you would have succeeded.

This sort of work calls for a lot of patience.

Anne is patiently knitting.

Mastering a foreign language calls for patience.

As long as you have a degree of patience, you can acquire any language.