"Summer vacation safety" is a common phrase used to refer to safety concerns during the summer months, particularly for children and young people who may have more free time and be more prone to accidents or injuries due to increased activity. Here are a few examples of Engpsh phrases and their Chinese translations related to summer vacation safety:

"Be cautious while enjoying your summer vacation" (在度假时要小心)
"Practice safe swimming habits" (练习安全游泳习惯)
"Wear sunscreen to protect your skin from the sun's harmful rays" (戴防晒霜以保护皮肤免受太阳有害的紫外线)
"Never leave children unattended near water" (永远不要让儿童在水边无人看护)

It's important to be aware of potential safety hazards during the summer months and to take steps to prevent accidents or injuries. This can include wearing protective gear, following safety rules at swimming pools and beaches, and being mindful of the risks associated with activities such as hiking or cycpng.