They're completely unmusical.

他们彻底是五音不全。

His voice was harsh and unmusical.

他的声音刺耳难听。

Lainey had a terrible voice, unmusical and sharp.

兰尼的声音很可怕，难听又尖厉。

They made a loud, unmusical noise.

他们制造一个很大的噪音。

Tom had a terrible voice, unmusical and sharp.

汤姆有吓人的声音，走调和尖锐。

Search engine estimation is unmusical, can increase a spider only to music the distrustful degree to the website.

搜索引擎估计五音不全，对于音乐只能增加蜘蛛对于网站的怀疑程度。

I hope the article can offer a little reference in studying about improvement of students 'aesthetic ability and quality whose major are unmusical among colleges.

希望通过本论文，能对高等院校非音乐专业大学生音乐审美素质提高的研究提供一些参考。