assistant and guide

例句：

1. 1.She is an excellent assistant and guide tothe new manager.
   她是一位出色的新经理的助手和向导。
2. 2. The guide led us throughthe forest to the waterfall.
   导游带领我们穿过森林到达瀑布。
3. 3. As a student, Ioften need assistance from my teachers and friends.
   作为一名学生，我经常需要从我的老师和朋友那里得到帮助。