他不想买回一个使用不方便的保险箱。

He did not want to buy an unhandy safe box.

youdao

其次，在充分理解问题之前就开发出的解决方案不够有针对性，产品使用不方便，不友好，或者不能适应人们的日常使用。

Second, developing technologies before understanding the problem leads to imprecise solutions – products that are inconvenient, difficult to use, or just doesn’t fit into people’s lives.

youdao

我们这块手斧就是个头有点过大点儿，使用不方便。

Our hand axe is just a bit too large to use easily.

youdao