ifs, ands, or buts

the various objections or reasons why something might not be possible, or the conditions that need to be met for something to happen

I want to go on vacation, but there are too many ifs and buts to consider first.
The boss was clear about the deadline for the project, with no ifs, ands, or buts.
The landlord was firm that rent must be paid on time, without any ifs, ands, or buts.
You'd better be there tomorrow, and no ifs or buts about it.
You need to apologize to him, no ifs, ands, or buts!