Luckily for us, the train was late.

　　我們真湊巧，火車晚點了。

　　The accident could have been much worse; luckily no harm was done.

　　這次事故本來可能糟糕得多；所幸沒有造成傷害。

　　Luckily I was feeling in a good mood.

　　幸好我當時情緒好。

　　Luckily, a bush broke his fall.

　　幸虧有灌木接著，他摔得不重。

　　Luckily, I am a good swimmer.

　　幸好我是個游泳好手。