at all ---1、用于否定句 - 加强否定的语气,根本不 xxx,一点不 xxxIt isn't difficult at all. 那一点儿也不难。2、用于疑问句 - 加强疑问的语气,到底,究竟,难道不 xxxDo you know him at all? 你到底认不认识他?3、用于肯定句(很少见),不管怎样,竟然 xxxI am suprised at his coming at all. 我奇怪他竟然来了。fundamentally --- 基本地;、根本地;、从根本上讲Fundamentally, this is a matter for doctors. 从根本上讲,这是医生的事。