unluckily

I unluckily had a flat tire on the way here.

到这儿来路上,我车胎泄气了。

But, unluckily for her ladyship, its effect had been exactly contrariwise.

过，老夫人该倒霉，效果恰恰相反。

Jim’s father wanted to invest his own father’s fortune in the business,which unluckily went by the board.

父亲想用祖父财产搞商业投资,后来很运,未获得成功。