Once again; one further time.

(UK, informal) All over the place.

Speaking, promising, or boasting much, but doing little.

(idiomatic) All or nothing. Probably derived from "shoot duck or no dinner".

Things that appear valuable or worthwhile might not actually be so; things that look nice might not be as good as they look.

(idiomatic, sometimes ironic) To finish or complete something; to add a finishing touch. / (idiomatic) To surpass or outdo something.

(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, idiomatic) Alternative form of all mouth and trousers

(Britain, idiomatic) Superficial, engaging in empty, boastful talk, but not of real substance.

(idiomatic) A thing or person which fails to measure up to its description or advanced promotion.