The customer complained about the poor quality of the product.

顾客抱怨产品质量差。

The connotation of cheap can be negative, implying poor quality.

“便宜”这个词的内涵可能是负面的，暗示质量差。

The movie director was flamed for the poor quality of his latest film.

那位电影导演因为他最新电影的质量差被猛烈批评。

The complainer wrote a long letter to the company about the poor quality.

这个抱怨者给公司写了一封长信，抱怨质量差。

USB cable poor quality or damaged.

USB电缆线质量差或者损坏.

Of poor quality or lacking some important ingredient;

feeble质量差的；缺乏某些重要成分的；

Why do the poor quality of teaching in schools will delay a child?

教学质量差的学校为什么会耽误孩子呢？

In the past, farmers used to live in the huts which were in poor quality.

过去，农民们常常住在质量差的小屋。

Poor quality of tears – Tears are made up of three layers: oil, water, and mucus.

眼泪的质量差 ——眼泪包含三层：油层、水层和粘液层。

Printed and poor-quality editing and proofreading, the intense market competition in the sand.

印制质量差和编校质量差的图书，会在激烈的市场竞争中被大浪淘沙。