Be all (one) could do (not) to (do something) phrase informal
The phrase often includes "not" when one is trying to avoid doing something.
It is difficult for someone (not) to do something.
It was all she could do to control her anger when David insulted her in front of people.
Is it all you could do not to be distracted?
Her attitude was so awkward that it was all I could do not to laugh out loud.
To be difficult, troublesome, or unpleasant for someone; to be to someone's disadvantage.
Used to describe the action of treating someone very strictly.
To be a challenge for someone to understand or to carry out.
If you say that someone or something is too hot to handle, you mean that they are too difficult or dangerous to cope with.
Unable to make a decision between different choices or possibilities
The verb "be" should be conjugated according to its tense.