水晶: crystal...
出场: (of a performer) to come onto the stage to perform, (of an athlete) to enter the arena to compete, to enter the scene (e.g. a new product), (of an examinee etc) to leave the venue...
易拉罐: pull-top can, easy-open can (with ring-pull)...
历时: to last, to take (time), period, diachronic...
津津有味: with keen interest (idiom), with great pleasure, with gusto, eagerly...
妄想: to attempt vainly, a vain attempt, delusion...
通: classifier for an activity, taken in its entirety (tirade of abuse, stint of music playing, bout of drinking etc)...