weight
                    - I’m thinking of losing weight these days. — Oh, you _______ be mad. You’re only 45 kilograms at the most.
 - Last year my sister tried to lose weight, but ______ putting weight back on.
 - last year , my sister tried to lose weight (减肥), but ______ putting weight back on.
 - Few weight-loss pills can help to keep people slim, _______?
 - George has put on weight recently. I think he’d better _______ too much.