at best

US /æt ˈbest/
UK /æt ˈbest/
"at best" picture
1.

paling banter, paling baik

even in the most favorable circumstances; under the best possible conditions

:
The car will get 20 miles per gallon at best.
Mobil itu akan mendapatkan 20 mil per galon paling banter.
His chances of winning are slim at best.
Peluangnya untuk menang paling banter tipis.