Could you tell me ??

I would say none of them are correct......

However, 'Could you tell me where toilet is?'
'Could you direct me where toilet is?'
'Could you show me where toilet is?'

These 3 r the ones slightly making more sense.
It should be:

Could you tell me where the toilet is?

Could you show me the way to the bathroom?

照這樣寫的句子沒有一句是對的：每句都可以寫對為：

Could you direct me to the toilet, please?
Could you show me to the toilet, please?
Could you tell me where the toilet is, please?

Could you direct me the way to the toilet, please?
Could you show me the way to the toilet, please?
Could you tell me the way to the toilet, please?

Could you tell me where the toilet is?
Could you direct me to where the toilet is?
Could you show me where the toilet is?

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could you direct me to the toilet, please?
could you show me where the toilet is, please?
could you tell me where the toilet is, please?

I don't think there is such a thing as "the toilet way"
You can say "could you show me the toilet, please? depends on what it means



2011-01-29 05:14:25 補充：
Forgot to say You should use the word washroom if you meant to say it