1给 to,for it is just a preposition here. 给你们介绍一点儿。 i will tell something to you./i will introduce something to you. there are many similar usage: 给你们做个示范。 i will make a demonstration for you. 2_ 约会 date or appointment. it can be used in a verb or a noun. 我有个约会。(noun)i have a date/appointment. 你是跟朋友约会吗？(verb)do you date with your friend? 3 话剧 modern drama or stage play 请你看话剧。Lets go to see a stage play,i will pay for you. 4_ 考试 test(verb or noun)，exam 复习 review(verb or noun) 明天就考试了，晚上要复习。i will have a test tomorrow,i need review tonight. 5_what are meaning these phrase? 过来。come here. 过去。go over ，pass by，past time（it have different meaning in different situation.）

you just have these sentences？these sentences do not seem to connect with the context,are just the individual sentence,and some phrase in them will be misunderstood,and i don not know which meaning you need.