What does he think of your new bike？ 他觉得你的新自行车怎么样？

I can't think of his name right now. 我记不起他的名字。

What are you thinking of？ 你在想什么？

I have many things to think of. 我有很多事情要考虑。

这些例句展示了"what does he think of"这个短语在不同语境下的用法，主要是用来询问某人对某事物的看法或意见。