Clue | Source | Date |
---|---|---|
Come up against difficulties that can't be overcome | ||
Couldn't go on | ||
Reach the limit | LA Times Daily | 17 Jun 2017 |
Reach the limit | The Washington Post | 17 Jun 2017 |
Reach the limit | ||
Be unable to make further progress | New York Times | 22 Nov 2015 |
Be unable to make further progress | ||
Stop suddenly |