to buy something that is defective or worthless
купить что-то неисправное или бесполезное (kupit' chto-to neispravnoe ili bespoleznoe)
"He bought a lemon when he got that used car."
"Он купил лимон, когда купил этот подержанный автомобиль." (On **kupil limon**, kogda kupil etot podierzhannyj avtomobil.)
to test a product before official release
extremely pleased or happy
a solution that resolves a conflict calmly
people will always have hope, no matter the situation
to become extremely excited or enthusiastic about something
To do what you promised to do.