翻译 这是我的朋友第一次去日本 明天下午在我们学校举行一场篮球比赛 进来前请先敲门

这是我的朋友第一次去日本 This is the first time that my friend went to Japan.

明天下午在我们学校举行一场篮球比赛 There will be a basketball match at our school tomorrow afternoon.

进来前请先敲门 Please knock at the door before come in.

This is my friend, first go to Japan in our school tomorrow there will be a basketball match please do not enter before knocking at the door

这是我的朋友第一次去日本
This is the first time my friend has gone to Japan.（从句一定要是完成时）
明天下午在我们学校举行一场篮球比赛
There will be a basketball match in our school tomorrow afternoon.
进来前请先敲门 Please knock before you enter.

This is the first time that my friend come to Japan. We are going to hold a basketball tomorrow afternoon. Please knock on the door before you come in.