at
preposition
uk
strong /æt/ weak /ət/ us
strong /æt/ weak /ət/at preposition (TIME)
A1
at preposition (DIRECTION)
A1
in the direction of:
- The old man clenched his fist and waved it angrily at us.
- She could no longer contain her anger and shouted at him uncontrollably.
- The talks are aimed at finding a mutually agreeable solution.
- She darted an angry look at me and I shut up.
- He fired six shots at the target, but his aim was terrible, and he missed all of them.
at preposition (CAUSE)
A2
at preposition (ACTIVITY)
I was never very good at sports.
He's very good at getting on with people.
She's hopeless at organizing things.
at preposition (EMAIL ADDRESS)
A1
the @ symbol that joins the name of a person or a department in an organization to a domain name to make an email address:
- Granddad wrote 'at' in the address instead of the @ symbol - that's why it didn't work.
- Where is the key for 'at' on this keyboard?
- You missed out the @ in your email address.
- Hold down the shift key, otherwise you will type an inverted comma instead of an 'at' sign.
- Alternatively, you can email your order to directcustserve@cambridge.org.
at preposition (AMOUNT)
B2
(usually @)
50 units @ £4.75
- The costs of cleaning up the bay are estimated at $1 billion.
- We sell a wide range of cosmetics and toiletries at a very reasonable price.
- When you buy a new computer, you usually get software included at no extra cost .
- With inflation at 500%, the country faces a crisis of confidence.
- Water boils at 212° Fahrenheit and 100° Celsius/Centigrade.
at preposition (CONDITION)
也請參見
while sb is at it informal
