reluctant to part; broken-hearted at having to leave or say goodbye

reluctant to part from someone or something; hate to let go of or leave

to chip away at a task without giving up; to work with unflagging persistence; to show great determination

to chase or follow someone physically with great determination; to pursue to the very end without giving up

to chase after someone or something closely without giving up; to stay hot on the heels of

(literary) day and night without stopping; continuing unceasingly; to work or move tirelessly regardless of the time

to talk or preach in a loud and annoying way without stopping; to be talkative or garrulous