At 可用來指位置或地點,意為「在…;在…裡;在…旁」。例如:
- My girlfriend was already waiting at the gate when I got there. (當我到達那裡時,我女朋友已在大門口等候了)
- Mary was sitting at her desk. (瑪麗坐在她的書桌前)
- Gary’s sitting at the table in the corner. (蓋瑞坐在角落的一張桌子旁)
- There’s a telephone booth/box at the crossroads. (十字路口有個電話亭) - 注意:crossroads 雖是複數型,但卻是個單數可數名詞。
At 可用來指在某家公司上班或在某個工作場所工作,但在某部門工作 (任職於某部門) 或在辦公室、辦事處、事務所等建築物工作,要用 in。某家公司的承包商或顧問,由於不是員工,一般都用 with。例如:
- She works at Google. (她在谷歌上班)
= She works for Google. - She works in the accounting department at Google. (她任職於谷歌的會計部門)
- She works with Google as a consultant. (她擔任谷歌的顧問)
- She should be at work by now. (她現在應該在上班) - at work (在上班)、go to work (去上班) 或 off work (沒上班) 中的 work 都意為「工作場所;上班的地方」。