Just mmh. Hard. Pass. Not interested at all. Fat  chance, or if you want to say the longer version of that, fat chance of THAT happening. It's like  saying, no way or no chance of that happening.

难的。 经过。 一点都不感兴趣。 机会渺茫，或者如果你想说更长的版本， 只是嗯。那就是发生那件事的机会渺茫。 这就像在说， 不可能或不可能发生这种情况。