godsend

(noun) a very helpful or valuable person, thing, or moment in time

Example Sentence:

My English tutor is a godsend. She is always able to answer my questions.

My portable electronic English dictionary is a godsend. It is so useful.

Losing my job was a godsend, because it allowed me to focus on my art instead of working all the time.

Media:

Similar idioms:

1. fire away