坚定地理想信念:Life isn't always what one likes是什么意思?

Life isn't always what one likes是什么意思? Life isn't always what one likes是什么意思? Life isn’t so easy here as it___________be Why isn't you ? when you have a calling ,your life is colorful.isn't?if yes ,give your reason. --Jack,Tom isn't here. I isn't in your homelangde Isn't it a beauty! Either of them isn't rigrt. isn't的完整形式