1. 令人烦恼的;令人头疼的;烦人的
    You use troublesome to describe something or someone that causes annoying problems or difficulties.

    e.g. He needed surgery to cure a troublesome back injury...
           他需要做手术来治好烦人的背伤。
    e.g. Parents may find that a troublesome teenager becomes unmanageable.
           父母会发现令人头疼的青少年变得难以管教。

2. (形势、问题等)麻烦的，困难的，棘手的
    A troublesome situation or issue is full of complicated problems or difficulties.

troublesome什么意思

    e.g. The economy has become a troublesome issue for the Conservative Party.
           经济状况已成为保守党的一大难题。