Translation of "Worthless" in Chinese

- His opinions are worthless.
- His opinion is worthless.

他的观点毫无价值。

This is totally worthless.

这个一点用都没有。

An eight-year-old car is almost worthless.

一輛車齡八年的車子幾乎是毫無價值的。

The antiques my father left when he died turned out to be nothing but worthless junk.

父親生前留下來的老古董，原來只是一堆不值錢的垃圾。