hammer away at

US /ˈhæm.ər əˈweɪ æt/
UK /ˈhæm.ər əˈweɪ æt/
"hammer away at" picture
1.

berusaha keras pada, mengulang-ulang

to work hard and persistently at something

:
She had to hammer away at the problem for hours before she found a solution.
Dia terpaksa berusaha keras pada masalah itu selama berjam-jam sebelum dia menemui penyelesaian.
The team continued to hammer away at the project despite the setbacks.
Pasukan itu terus berusaha keras pada projek itu walaupun menghadapi halangan.