A-one

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

of the highest quality
- an ace reporter
- a crack shot
- a first-rate golfer
- a super party
- played top-notch tennis
- an athlete in tiptop condition
- she is absolutely tops
• Syn:
ace, crack, first-rate, super, tiptop,
topnotch, top-notch, tops
• Similar to:
superior
• Usage Domain:
colloquialism