(idiomatic) A very short (but unspecified) amount of time; no time at all.

Being or relating to a situation that will either succeed completely or fail completely.

Without reference to anything. / Without any apparent reason or purpose.

(idiomatic) Something ordinary or run-of-the-mill. / (idiomatic) Nothing worth discussing; nothing that the speaker wants to mention.

Indicates that one's remark is not directed at the interlocutor specifically, but is a general remark, and thus not intended to offend.

(dated) To be hanged.

(Ireland or archaic) Something trivial, of no importance.

Something of little substance or importance.

To make no difficulty of (a given occurrence); to consider (a particular occurrence) as trifling or unimportant. / To fail to understand.

(idiomatic) At the very least; as a minimum.