4.外出游玩时，一定要告知身边的朋友或同事。的翻译：4. When you go out to play, be sure to tell friends and colleagues. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

4 go out to play, be sure to tell her friends or colleagues.

4. When you go out to play, be sure to tell friends and colleagues.

4. egresses when plays, certainly must inform side friend or the colleague.

4) an outing out, be sure to tell my friends or colleagues.

4. When you go out to play, be sure to tell friends and colleagues.