forbid ban prohibit都含“禁止”的意思。
forbid系常用词, 指“命令某人不做某事”, 如:
The doctor forbids him to smoke.医生禁止他吸烟。
ban 语气较重, 指权威机关“正式禁止”, 含“严厉谴责”之意,只能用事物作其宾语,
如:Ban atomic and nuclear weapons! 禁止原子武器和核武器!
prohibit指“通过法律或政府法令禁止”, 如:
The soldiers were prohibited from leaving camp after dark.天黑后士兵不准离开营房。
