at

Used to show the exact place where someone or something is, such as a building or an event.

• We'll meet you at the entrance.
  Seninle girişte buluşuruz.
• My daughter is at school until four.
  Kızım saat dörde kadar okulda.

Used to show a particular time, such as a clock time or a festival.

• The meeting starts at nine o'clock sharp.
  Toplantı tam saat dokuzda başlıyor.
• I usually go to bed at midnight.
  Genellikle gece yarısı yatarım.

Used after verbs such as look, point, throw and shout to show who or what the action is aimed at.

• Look at the board and copy the sentences.
  Tahtaya bak ve cümleleri kopyala.
• Why are you shouting at me?
  Neden bana bağırıyorsun?

Used after adjectives such as good, bad and better to show the activity being judged.

• She is very good at maths.
  Matematikte çok iyi.
• I've always been terrible at remembering names.
  İsimleri hatırlamakta hep çok kötüyüm.

Used after some verbs and adjectives to show the cause of a reaction or feeling.

• Everyone laughed at his funny story.
  Herkes onun komik hikâyesine güldü.
• I was surprised at how easy the test was.
  Sınavın ne kadar kolay olduğuna şaşırdım.

Used to say the age at which someone does something.

• She learned to swim at the age of four.
  Dört yaşında yüzmeyi öğrendi.
• He got his first job at sixteen.
  İlk işini on altı yaşında buldu.

Used to show a speed, price, rate or temperature.

• The train was travelling at 200 kilometres an hour.
  Tren saatte 200 kilometre hızla gidiyordu.
• Water boils at 100 degrees Celsius.
  Su 100 santigrat derecede kaynar.

Used to show a state or activity that someone or something is in.

• Many old buildings are at risk of collapse.
  Birçok eski bina çökme riski altında.
• The two countries have been at peace for years.
  İki ülke yıllardır barış içinde.

Used when saying an email address aloud, for the symbol @.

• My email address is ali at example dot com.
  E-posta adresim ali et example nokta com.
• Her address is selin dot kaya at mail dot com.
  Adresi selin nokta kaya et mail nokta com.