an ace up your sleeve
US /ən eɪs ʌp jʊər sliːv/
UK /ən eɪs ʌp jʊər sliːv/
1.
kelebihan rahsia, strategi tersembunyi
a secret advantage or resource that can be used when needed
:
•
The politician had an ace up his sleeve for the debate.
Ahli politik itu mempunyai kelebihan rahsia untuk perbahasan.
•
She always keeps an ace up her sleeve for negotiations.
Dia sentiasa menyimpan kelebihan rahsia untuk rundingan.