星期日: Sunday...
加入: to become a member, to join, to mix into, to participate in, to add in...
锲而不舍: to chip away at a task and not abandon it (idiom); to chisel away at sth, to persevere, unflagging efforts...
斩: to behead (as form of capital punishment), to chop...
帐子: mosquito net...
清明节: Qingming or Pure Brightness Festival or Tomb Sweeping Day, celebration for the dead (in early April)...
