at a push
US /æt ə pʊʃ/
UK /æt ə pʊʃ/

1.
頑張れば, 無理をすれば, 何とか
if you say that you can do something at a push, you mean that it will be difficult but possible
:
•
I can finish the report by tomorrow, at a push.
頑張れば明日までにレポートを終えられます。
•
We can fit five people in the car at a push.
頑張れば車に5人乗せられます。