3. He is much taller than his wife
4. The black car can do a lot faster than the red one
5. In the intelligence test, Anna’s IQ is a lot higher IQ than Jim’s
6. Jim can lift a bit more kilos than John
7. The Green building was built a bit earlier than the Park building 
8. Ho Chi Minh City is much hotter than Ha Noi
9. The old building is a bit taller than the new building
10. The fruit mixer is a lot heavier than the electric stove 

3. He is 1.7 meters tall, but his wife is 1.6 meters.

His wife is much shorter than him.

4. The red car can do at 120 mph but the black one can do at 170 mph.

The red car can't do a lot better than the black one

5. In the intelligence test, Jim has an IQ of 70 but Anna has got an IQ of 130.

Anna has got an IQ a lot better than Jim.

6. John can lift 80 kilos, but Jim can lift 100 kilos.

 Jim is a bit stronger than John.

7. The Park building was built in 1778 and the Green building was built in 1780.

The Green building is a bit older than the Park building.

8. Ha Noi is 27°C and Ho Chi Minh City is 37°C.

 Ha Noi is much colder than Ho Chi Minh city

9. The old building is 100 meters in height and the new building is 80 meters in height.

The old building is a bit shorter than the new building

10. The electric stove is 2 kilos in weight and the fruit mixer is 8 kilos in weight.

The fruit mixer is much heavier than the electric stove.