they are going to go (for)a picnic。翻译。为什么加for ？ they are going fora picnic on ...

they are going for a picnic

A:What is she going to do? B:She is going to wash her clothes. 2. A.What is he going to do? B.He is going to go ice-skating.

\u4e00\u822c\u5c06\u6765\u65f6\u6001\u5e38\u7528\u4e09\u79cd\u5f62\u5f0f\u8868\u8fbe
1 will+dcyx
2 am is are +going to+\u52a8\u8bcd\u539f\u5f62
3 am is are+\u8868\u793a\u4f4d\u7f6e\u79fb\u52a8\u52a8\u8bcd\u7684ing\u5f62\u5f0f\u5373\u73b0\u5728\u5206\u8bcd\u3002
\u6240\u4ee5\u6b64\u53e5\u662f\u4e00\u822c\u5c06\u6765\u65f6\u6001\u3002

您好，翻译是他们将要去野餐。for是表示他们的目的。
希望能够得到您的采纳。有什么不懂的可以再问，在线解答，谢谢。

for 表目的
他们出发，去野餐（目的）

for 表目的
他们出发，去野餐（目的）

for 表目的
他们出发，去野餐（目的）

go for a picnin 固定短语

for 表目的
他们出发，去野餐（目的）

扩展阅读：this is a girl ... children of the dark ... the is my vlog ... they are my family ... they were old then ... please pass me the ... it has a small eyes ... how is it going ... where am i going ...