a piece of cake

US /ə piːs əv keɪk/
UK /ə piːs əv keɪk/
"a piece of cake" picture
1.

sangat mudah, senang saja

something that is very easy to do

:
The exam was a piece of cake; I finished it in half the time.
Peperiksaan itu sangat mudah; saya menyelesaikannya dalam separuh masa.
Learning to ride a bike was a piece of cake for him.
Belajar menunggang basikal sangat mudah baginya.