The phrase "alone for a second" is correct and usable in written English.
It can be used to describe a brief moment of solitude or being by oneself.
Example: "I just need to be alone for a second to gather my thoughts before we continue."
Alternatives: "by myself for a moment" or "solitary for a brief time".
Can't you leave them alone for a second?
Great scrambled eggs require a generous hand with the fat, and single-minded devotion to stirring and watching – leave them alone for a second, and they'll overcook.
Despite her misgivings about marrying at all, let alone for a second time, they kept in touch and began living together once "our phone bills surpassed our mortgages", eventually settling on the farm in Virginia.
The delicate instrument could not be left alone for a second; it must have its own seat on the aircraft and accompany her to the loo (a manoeuvre that nowadays would surely trigger a terrorist alert).
Standing there alone for a second, Yakubu carefully redirected it forward from the middle of the goal, only it ventured achingly left to become an indelible video clip sure to play forever and wring cringes from the 27-year-old.
The IPCC state that they use the 1961-2003 raveragerage (1.8 mm/year) as the baseline for the century- we'll leave that particular kettle of cherry picking alone for a second- but looking at the colorado data- that is not the case for the rate- it is much higher, making the 'increase' in sea level rates statement false.
"They back away, and he ends up being by himself". The boy's mom and his father, also called Daniel, were determined their son wouldn't be left alone for a third year in a row.
The patient received doxycycline 2 × 100 mg/day, metronidazole 3 × 500 mg/day and amoxicillin 3 × 750 mg/day for 2 months followed by doxycycline alone for a third month, following an empiric eradication therapy for Helicobacter pylori.
