verbal mishaps

While learning a new language, you are bound to commit a number of mistakes, sometimes rather embarrassing ones.

What I should have said:
On stage, you were difficult to pick out, see (mie-nikui)
What I said:
On stage, you were unsightly (mi-nikui)

This comes courtesy of a Singaporean friend for a presentation. He was wondering why the crowd didn't really warm up to him. This might be why.

What He should have said:
Tano-shinde ne (Please enjoy yourself)
What He said:
Shinde ne ('Shinde' means 'to die')