"Go on a picnic in a certain place" can be translated to "去某地野餐" in Chinese.

The phrase "picnic" comes from the French word "pique-nique," which originally referred to a fashionable social event where each person contributed a dish to be shared. Over time, the meaning expanded to refer to any outdoor meal eaten in a casual setting, usually in a park or countryside.

Examples in Engpsh:

"Let's go on a picnic in the park this weekend."
Translation: "让我们这个周末去公园野餐吧。"
"I'm looking forward to our picnic next month."
Translation: "我期待着下个月的野餐。"
"The picnic was ruined by the sudden rain shower."
Translation: "突如其来的暴雨破坏了野餐。"