2 sentences for 好用 (hǎo​yòng)

1. 这台洗碗机非常好用。

   zhè tái xǐ​wǎn​jī fēi​cháng hǎo​yòng.

   This dishwasher is very effective.

   Source: Dong Chinese Dictionary

2. 男人真好用。

   nán​rén zhēn hǎo​yòng.

   Men are so useful.

   Source: OpenSubtitles