current, this, the matter in question / original, actual, base

long cylindrical things such as glasses of drink, pairs of jeans, pens or trains and buses / films or TV shows / home runs or goals / rounds of a match in boxing, wrestling or judo

Alternative form of 元

tree / wood

book / this / main / real / actual / true

shade of a tree

mischievous

warlike, bellicose

(euphemistic, slang) pedophilia (sexual or romantic feelings directed at children)

What you like to do, you will do well. To improve your skills in something, you must enjoy doing it.