A dictionary of Confusable Phrases: More Than 10,000 Idioms and Collocations

at a glance • at first glance
at a glance — notice smth. immediately without having to
look carefully: When I warm up for a road race I can usually
tell at a glance the newcomers to the sport.
at first glance —(also: at first sight) when first seen or consid-
ered: This arrangement pleases at first glance, but soon fatigues
the eye by its uniformity.
at a good price • at a goodly price
at a good price —
1
. sell at a fairly high price: It’s wise to look
far ahead in order to use the market to your advantage and
sell at a good price. 2. buy at a very low price (also: at a great
price): He lends people hospital beds, which he happened to
get at a good price.
– 19 –
at a good price

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at a goodly price —
1
. buy at a fairly high price: He purchased
the fabric at a goodly price, which drove up the cost on the
finished product. 2. = at a good price 
1
: The Venus, being a
rare and beautiful example of Roman sculpture, might well
be sold at a goodly price.
at a heat • in heat
at a heat—(coll.) at a single intense effort or action: The
new articles having been “thrown off at a heat,” stood partic-
ularly in want of re-revision.
in heat—(of animals) in the state of sexual excitement during
the breeding season (also: on heat): “I’m no bitch in heat,” she
said between tight teeth, “take your paws off me.”
See also: at a white heat / in a dead heat.
at a moment • at the moment
at a moment—at one point in time (out of many): He looked
up from the desk, caught her at a moment when, against her
will, tears had filled her eyes.
Note: 
The expression does not fully correlate in meaning with
the phrase in a moment—
1
. in a very short time: The maids are
busy preparing your room but they will be done in a moment.
2. = at a moment: He forced the responsibility of two lives
upon me, and, in a moment of indecision, I failed them.
at the moment—
1
. at present; just now: There are twenty
residents in a converted private house, and at the moment
many of them share a room. 2. at a specific point in time:
That gentleman was really ruined, and that at the moment
when he was about to attain his end.