v.
  - 
[with neg.]
 take the trouble to do something:![]()  he didn't bother to ask why. 
- worry, disturb, or upset (someone). ▸
[usu. with neg.]
 feel concern about or interest in. 
n.
 trouble; fuss. 
▸a cause of trouble or fuss.
exclam.
 chiefly Brit. used to express mild irritation.
Etymology
  C17 (as a noun in the dial. sense ‘noise, chatter’): of Anglo-Ir. origin; prob. rel. to Ir. bodhaire ‘noise’, bodhraim ‘deafen, annoy’.