1. Mark has been Luke''s sidekick since junior high school.
    打从初中开始，马克和路克一直就是哥儿俩。

1. (好友)：to put on the dog(摆阔) | sidekick (好友) | rainy day(准备一些钱,以备不时之需)

2. sidekick

2. 赛击 日本 铃木汽车公司：SHUTTLE 航班(穿梭) 日本 本田汽车公司 | SIDEKICK 赛击 日本 铃木汽车公司 | SIENA 赛娜 意大利 菲亚特工业公司

1. 助手;副手
    Someone''s sidekick is a person who accompanies them and helps them, and who you consider to be less intelligent or less important than the other person.

    e.g. His sons, brother and nephews were his armed sidekicks.
           他的儿子、兄弟和侄子都是他的左膀右臂，都配备了武器。
    e.g. ...a dim-witted sidekick.
           愚笨的助手

1. a close friend who accompanies his buddies in their activities

    Synonym: buddybrotherchumcronypal