On a diet (20點!!)

ON A DIET English meaning

Means "to comply with special dietary1. The doctor put the patient on a special diet.ON DIET English meaning

Dieting to lose weight

2013-09-07 18:02:20 補充：
The Irish used to live on a diet of potatoes.

The doctor says I've got to go on a diet.

on a diet ~ prepositional phrase
on ~ preposition
a ~ indefinite article, determiner
diet ~ noun

(1) DIET (countable noun) = a way of eating in which you eat certain foods, in order to lose weight or improve your health.

ON A DIET = eating less food or only particular kinds of food in order to lose weight or to improve health (節食)

I must not have chocolate because I am now on a diet. (12 words)
You are fairly overweight, and I am going to put you on a diet. (14 words)
He gradually became thinner since he went on a diet. (10 words)

Besides the above, "diet of something" also has different meaning.

(2) DIET (countable/uncountable noun) = the kind of food that a person or an animal eats regularly. (日常食物)

The survivors existed on a diet of fish and water on the deserted island.

(3) DIET (countable noun) = The things that a person regularly sees or experiences, especially when these are of poor quality. (令人生厭的事物)

Kids today are raised on a diet of pop music and television.

diet n diets is noun:- (1)You are on a diet when you are avoiding certain kinds of food so as to try to lose weight, or eating special foods as part of the treatment for an illness for a fat-free diet.
(2)I am going on a diet tomorrow.
(3)I decided to go on a diet before my summer holiday for swimming.
diet v diets, dieting, dieted, be on a diet are verbs:- (4)She's always dieting (be on a diet)but she never seems to lose any weight.
(5)On diet is to eat less food or only food of a particular type in order to lose weight.
(6)She doesn't allow herself any chocolate when she's dieting.