The phrase "alone to kill" is grammatically correct and can be used in written English.
It can be used in contexts where someone is emphasizing that they are the only one responsible for a killing or an act of violence.
Example: "He felt the weight of the world on his shoulders, knowing he was alone to kill the monster that threatened his village."
Alternatives: "solely to kill" or "by myself to kill".
It wasn't the time for Will to leave the series, let alone to kill the character off so finally – he had huge storylines that had been building all season.
Of course once a program exists and has a constituency, it's very difficult to reform--let alone to kill it.
At the time, I wasn't thinking straight". As he told it last week, "there was no plan" to steal a car, let alone to kill Cherry.
"They're here for one purpose, and one purpose alone: to kill them under the guise of a fair and just system".
The girl herself was someone he had parted from decently and it seemed unlikely that she would want to make a fuss, let alone try to kill herself, which was what the letter was elaborately trying to tell him she had done.
One of the best known superbugs, MRSA, is alone estimated to kill around 19,000 people every year in the United States - far more than HIV and AIDS - and a similar number in Europe.
To be fair, his Japanese is eloquent compared with mine, which begins and ends with the phrase "Thank you very much". So as he schooled teenagers one afternoon, it was with some trepidation that I boarded the ferry alone, planning to kill some time — and thank people for things.
After that, they found themselves alone, with time to kill.
When a case worker attempted to intervene, Sheehan told him to leave her alone and threatened to kill him.
Together, cooking fires and sputtering lanterns create indoor pollution that causes asthma and other ailments and that, in India alone, is estimated to kill 600,000 women a year.
"She has what I think is the key to success on television, and that is she looks like she feels like she's got the greatest job in the world," Mr. Wald said in an interview, adding that in reality, "The hours alone are enough to kill you".
