it's all (one) can do (to do something)(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.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.