can not but

• 不得不, 不能不, 不禁要

can not but的用法和样例：

例句

1. I can not but be gay in such a jocund company.
   我和如此快乐的同伴在一起岂能不乐。
2. I can not but tell him the truth.
   我不得不告诉他实情。