I know u have own qualm .

我明白你有自己的不安。

My heart resolves the qualm .

我的心解决了疑虑。

The third ethical qualm involves the thorny issue of fairness .

第三个伦理上的担忧是棘手的不公平问题。

I was leaving without a qualm , without a single backwood glance .

我走得于心无愧，义无反顾。

All my worries and qualm are slaked by your warm voice , even I can not see your familiar face .

你温柔的声音抚平我心口所有不安，尽管我看不见你那熟悉的脸庞。