If you are working at something, you are dealing with it. If you are aiming at something, you are trying to achieve it. She has worked hard at her marriage. a $1.04m grant aimed at improving student performance on placement examinations
You use at to indicate an activity or task when saying how well someone does it. I'm good at my work Robin is an expert at cheesemaking
Advanced Technology IBM's first 286-based PC, introduced in 1984 It was the most advanced machine in the PC line and featured a new keyboard, 1 2MB floppy and 16-bit data bus AT-class machines run considerably faster than XTs (8088-based PCs)
If you are at something such as a table, a door, or someone's side, you are next to it or them. Graham was already at the door At his side was a beautiful young woman He gave the girl at the desk the message
You use at to say how something is being done. Three people were killed by shots fired at random from a minibus Mr Martin was taken out of his car at gunpoint
assistive technology (rehabilitation technology, durable medical equipment, or daily living aids)
Advanced trainer-- single or twin engine The AT 6 is an advanced trainer--shown in the photo
at all: see all. Austria (in Internet addresses). The symbol for the element astatine. ampere-turn. attotesla
You use at to show that someone is doing something repeatedly. She lowered the handkerchief which she had kept dabbing at her eyes Miss Melville took a cookie and nibbled at it
S&P 500 Term Same as offer: e g 10 at 20 indicates that someone wants to sell 10 for 20 S&Ps
astatine: a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium
You use at to indicate the place or event where something happens or is situated. We had dinner at a restaurant in Attleborough I didn't like being alone at home Hamstrings are supporting muscles at the back of the thigh The announcement was made at a news conference in Peking
gerek limarda ve gerekse yolda at best nihayet
Heceleme
ge·rek li·mar·da ve ge·rek·se yol·da at best ni·ha·yet