To follow, travel down (a particular way, course of action etc.).
To follow urgently, originally with intent to capture or harm; to chase.
To aim for, go after (a specified objective, situation etc.).
To participate in (an activity, business etc.); to practise, follow (a profession).
To act as a legal prosecutor.
To take pains to do something.
In weaker sense: to bother or inconvenience.
To mentally distress; to cause (someone) to be anxious or perplexed.
To worry; to be anxious.
A difficulty, problem, condition, or action contributing to such a situation.
A fault or interruption in a stratum.
A malfunction.
A violent occurrence or event.
Efforts taken or expended, typically beyond the normal required.
Liability to punishment; conflict with authority.
Wife. Clipping of trouble and strife.
A distressing or dangerous situation.