it's all someone can doit's all (that) (someone) can do (to do something)
if it's all someone can do to do something, they just manage to do it although it is difficult.
It was all I could do to stop myself screaming with pain.
(redirected from it's all someone can do)
it's all (one) can do (to do something)
One is barely managing to do something that is exceptionally difficult. I'm so excited—it's all I can do to keep the news a secret!It was all I could do to stop myself from arguing with Janet's father at the party.