幸亏他体质好，杰克才得以平安度过了最近这场大病。 Thanks to his strong constitution, Jack was able to pull through his recent serious illness.
幸亏我当时系上了安全带。 Thanks to I had tied then the safety belt.
我以为他母亲已去世，幸亏在我寄出吊唁信之前，我碰到了一个那天上午还在医院里见过她母亲的人，他使我避免了这场误会。 I thought his mother had died, but fortunately I met someone who'd actually seen her that morning in the hospital and he set me right before I sent off my letter of sympathy.
我们需要说的只是幸亏我们没有听他的话。 All we need say is that fortunately we did not listen to him.
