to continue to do;  to persist in doing
 to stay on (e.g. at one's friends house);  to remain in the same neighborhood
 to continue to hold;  to hold on to (for a long period);  to maintain;  to keep
 to think constantly about;  to dwell on
 to carry on;  to go on with one's life;  to keep alive;  to stay alive;  to survive
 to continue to work;  to work away (at)