rest on one's oars meaning

• [American slang]
  v. phr. To stop trying; stop working for a while; rest. The man who wants to become a millionaire can never rest on his oars. A high school student who wants to go to college cannot rest on his oars.
  

• lie on one's oars:     see under oar
• rest on one's laurels:    (sometimes as a cr ...
• set one's mind at rest:    [American slang]v. ...