Luckily for us, the train was late.
我們真湊巧，火車(chē)晚點(diǎn)了。
The accident could have been much worse; luckily no harm was done.
這次事故本來(lái)可能糟糕得多；所幸沒(méi)有造成傷害。
Luckily I was feeling in a good mood.
幸好我當(dāng)時(shí)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(gè)游泳好手。