求翻译：April Fool’s Day is for fun only. Nobody is expected to buy gifts or to take to eat in a fancy restaurant. Nobody will have the day off. It’s simply a fun little holiday, but a holiday on which everyone must remain forever vigilant(警惕的), or he may be the next April Fool!是什么意思？

April Fool's Day is for fun only. Nobody is expected to buy gifts or to take to eat in a fancy restaurant. Nobody will have the day off. It's simply a fun little holiday, but a holiday on which everyone must remain forever vigilant (alert a), or he may be the next April Fool!

' s April Fool Day Nobody . Is only for fun is expected to buy gifts to take or to eat in a fancy restaurant will have the day off Nobody . . It ' s simply a fun little holiday, but a holiday on which everyone must remain forever vigilant (vigilance), or he may be the next April Fool!

April Fool' s Day is for fun only. Nobody is expected to buy gifts or to take to eat in a fancy restaurant. Nobody will have the day off. It' s simply a fun little holiday, but a holiday on which everyone must remain forever vigilant (vigilant), or he may be the next April Fool!

April Fool’s Day is for fun only. Nobody is expected to buy gifts or to take to eat in a fancy restaurant. Nobody will have the day off. It ' s simply a fun little holiday, but a holiday on which everyone must remain forever vigilant (alert), or he may be the next April Fool!

April Fool's Day is for fun only. Nobody is expected to buy gifts or to take to eat in a fancy restau rant. Nobody will have the day off. It's simply a fun little holiday, but a holiday on which everyone must remain forever vigilant (watch out for), or he may be the next April Fool!