粵典 (words.hk)香港短語
形容一啲嘢好容易 (used to describe how simple a task is; easy as pie; a piece of cake; literally, easier than eating lettuce)
形容詞用例
寫五百字之嘛，易過食生菜啦！
se2 ng5 baak3 zi6 zi1 maa3, ji6 gwo3 sik6 saang1 coi3 laa1!
Only writing 500 words? That's easy as pie.