I'm so sorry.我深感遗憾。(也表示难过)
It's a pity! 多遗憾啊!
What a shame/pity! 多么遗憾/可惜啊!
That's too bad! 那太糟糕了。
I wish I had never said that.我希望我从来没有说过。
If only I had been there.要是我去过那里就好了。
情景对话:
Tom 和 Lily 在操场上。
Tom:It's said that our sports meet was to be put off because of the bad weather.
听说我们学校的运动会由于天气的原因要推迟。
Lily:What a pity!I'm looking forward to it.太可惜了,我一直在盼着呢。