area of the circle

Mandatory Provident Fund (MPF)

cocky; arrogant

water stains

chronic indigestion in children whereby the nutrition is poorly absorbed by the body, resulting in malnutrition

a jacket (a loanword)

Jagger

Active participation

(verb) pile up; stack up; accumulate

To be charitable in order to accumulate merit of virtue; to make a point to do good deeds whenever possible

Michael Jackson

accumulation

(adj.) describes a young person or a child who behaves and thinks in a mature way; a young but worldly person

smouldering

to slave away like a dog [colloquial]

area

savings

accumulate weakness

accumulated water

small accumulations make a great amount

points

area

building blocks

accumulate

accumulated snow

positive

accumulate

piling up like a mountain

volume

stacking blocks