You were dead lucky to get that job.
你得到那份工作，真是太幸运了。
I count myself lucky to have known him.
和他相识，我觉得很幸运。
I'm lucky in that I've got four sisters.
我很幸运，因为我有四个姐妹。
You'll be lucky if you get any breakfast.
如果你能弄到早餐那可就幸运了。
I'm lucky really as I never put on weight.
我真的很幸运，体重从未增加过。