weather meteorological climate condition

beacon and flashing light beam laser ray glow glare

aircraft plane by air

city metropolitan urban town civic municipal downtown

period cycle era age

feeling emotional response sensory a sense of passion

linguistic language

building property construction

financial support fund financial aid

stumbling block difficulty trouble，n.

test in real field test

genius talent intellectual intelligence brains brilliant wisdom

talent gift prodigy skill ability craftsmanship flair

limitation restricted restrict confine constrain

biological clock internal clock

principle rule

middle-year education lower secondary school

format pattern

less successful student struggler

supplementary assist additional extra further added spare more