I think you need some heavy-duty advice.

我想你需要一些有分量的意见。

《牛津词典》

As an additional safeguard against weeds you can always use an underlay of heavy duty polyethylene.

作为另外一种预防杂草的防护措施，你可以一直使用一层厚重耐磨的聚乙烯底垫。

《柯林斯英汉双解大词典》

Heavy duty production-level disks are even larger.

职责重大的生产级磁盘甚至更大。

youdao

While GM and Toyota expect sales to be relatively flat this year, at 17 million units (including medium and heavy duty trucks), Ghosn is worried that economic headwinds will lead to a substantial slowdown.

FORBES: A Downbeat Forecast From Nissan

Indeed, an interesting moral question arose as I walked up one side of the road and down the other hauling a heavy-duty trash bag (I'd eventually fill two of them).

WSJ: Recycled Emotions

Elaborated rules have steadily given way to principles, and only the riskiest firms (or those most likely to make a large splash if they go bust) routinely get heavy-duty scrutiny.

ECONOMIST: Northern Rock