someone or something that is cherished or loved deeply
кто-то или что-то, что глубоко любимо или дорого (kto-to ili chto-to, chto gluboko lyubimo ili dorogo)
"Her son is truly the apple of her eye."
"Ее сын действительно яблоко ее глаза." (Eyo syn deystvitel'no yabloko yeye glaza.)
when something is difficult to learn, usually quickly
to stay mentally focused and motivated
full of energy and not tired
to create or develop trust in a relationship
to memorize something perfectly
to take responsibility for someone and help them learn