Right at the moment, right now, contemporaneously.

(idiomatic, US) An expression indicating that the speaker empathizes with members of an identifiable group that was the subject of a disaster, and projects that others empathize as well.

(Britain and Canada) Used in Remembrance Day ceremonies as a caution against forgetting those who died in war.

(idiomatic) Said when something is starting to happen. / (idiomatic, sarcastic) An expression of frustration upon seeing or hearing something bad repeated.

plural of royal we

Draws attention to the futility of a plan or strategy in the absence of the resources necessary for it to work.

Alternative form of better the devil you know than the devil you don't know

Used when someone's mistakes or flaws are acknowledged, as a reminder that everyone makes mistakes and has flaws.

goodbye

(US, humorous) Used to report that a (major) problem has occurred.