Artificial Insemination

cunning person

Literally: Elder human is wise, elder ghost is powerful – The grown up / seniors are wiser as they have lots of experienced and have gone through numerous challenges in lives which made them wiser.

The grown up / seniors might have thought things thoroughly because they have experienced lots in their lives

very astute [colloquial]

feeling tired

put in great efforts to bring a country into prosperity

profound and extensive

remove any impurity and retain the essense

eccentric and mischievous

monosodium glutamate

instant coffee; coffee essence [written and colloquial]

too horny

man who is unfulfilled sexually

looks tired or not energetic

team spirit

noun; Spin doctor or big fat liar

cream powder

energetic

fairy

Pokemon

ejaculate

specialize

little sprite

buck up

to be attentive and highly concentrated

stay fully alert (slang)

to be attentive and concentrated

noun;skinny person

prodigal person (spoken)