Related Clues:

• Persist
• Stick with it
• Don't give up
• Keep working hard
• Not give up
• Continue to exist
• Continue to be
• Gut it out
• Pursue course doggedly
• Continue firmly or obstinately
• Persevere, hang on
• Continue despite opposition
• Continue obstinately, don't give up
• Hang on in there
• Carry on regardless