lose ground

US /luːz ɡraʊnd/
UK /luːz ɡraʊnd/
"lose ground" picture
1.

劣勢になる, 支持を失う, 後退する

to become less popular or successful

:
The company started to lose ground to its competitors.
その会社は競合他社に劣勢になり始めた
The candidate is losing ground in the polls.
その候補者は世論調査で支持を失っている