the sky's the limitspoken used to say that there is no limit to what someone can achieve, spend, win etc 〔花费〕没有上限;〔成就、成绩等〕不可限量 Francis believes the sky’s the limit for the young goalkeeper. 弗朗西斯认为,这名年轻的守门员前途不可限量。
the sky’s the limit• We try to make our engineers feel that the sky's the limit when it comes to what they can design.• Pick out whatever you want - the sky's the limit.
→ the sky’s the limit at sky(2)