1. My sister eats like a bird.
我妹妹飯量很小。
還能這樣說：
My sister eats very little.
My sister doesn't eat very much.
諺語：
A bird in the hand is worth two in the bush.
一鳥在手勝于兩手在林。（到手的東西才是可靠的。）
2. My old brother eats like a horse.
我哥哥特別能吃。
還能這樣說：
My old brother eats very much.
My old brother is a big eater.
諺語：
A short hurse is soon curried.
矮馬容易刷洗；小事易辦。
3. I'm full!
我飽了！
還能這樣說：
I feel stuffed.
I am quite enough.
應用解析：
full size 原尺寸；
in full bloom 盛開的；
to the full 充分地，盡情地；
4. Hamburger is my cup of tea.
我喜歡吃漢堡。
還能這樣說：
I like to eat hamburger.
I love hamburger.
諺語：
An unfortunat man would be drowned in a tea-cup.
人若倒霉，一杯茶也能淹死。