Num 1
all in all: when everything is considered
all the same: yet, however
for all: in spite of
all along: from the beginning
all told: altogether
for all I know: as far as I know
all in: exhausted (inf)
of all people: used to express annoyance/ surprise because a certain person was thought to be unsuitable
for all I care: I don’t care
on the alert: on the look-out, expecting sth
in the air: uncertain
be up in arms: be very angry
on this account: for this reason
be up in the air: it exists, but not talked about
take sth into account: consider sth
on no account: under no circumstances
on that account: for that reason
on the air: broadcasting (opposite: off the air)
bide one’s time: wait for a good opportunity
blaze a trail: discover/ explore sth new
go by the board: be rejected/ ignored no longer possible
be out of bounds: prohibited, forbidden (place)
cost an arm and a leg: be very expensive (inf)
be on the blink (inf): stop working properly (of electrical equipment)
in appears: have not paid the money they owe
of its own accord: automatically agree
cut to the bone: reduced to the/a minimum
out and about
outdoor
travelling from place to another