contest, competition

poverty

fundamental, radical, basic / drastic, thorough

staking everything, playing for all-or-nothing

be crowded / be complicated / go into, go in / put into / become some state completely / do thoroughly / remain in the same state, such as remain sitting or remain silent

air conditioner

communication: the conveying of information between two or more entities

(idiomatic) Speak no ill-fated words; let no feeding cause you ailment; literally Diseases enter through the mouth, disasters come out of the mouth.

royal jelly

(marketing) consumer (as opposed to professional; i.e. everyman)