in articulo mortis, at death's door

(informal, derogatory) according to a person's looks, arbitrarily

(informal) to tie oneself in knots, to worry oneself sick

(informal) to learn, to take a lesson

(informal) at full tilt, at full speed, at full throttle

(rare) head to toe

(figuratively, informal) to split the difference, to meet halfway

as much as possible, insofar as possible, if at all possible, if possible

(figuratively) to be a chatterbox, to talk a lot, to be very talkative; to have the gift of the gab / (figuratively) to have a sharp tongue, to be sharp-tongued

(informal) to look the part