it's all (one) can do (to do something)(redirected from it's all I 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.