For reasons unknown and not worth speculating on.
for the nonce
For the time being, for now, with the expectation that the situation m…
for the most part
In most aspects; mostly; generally.
for the time being
Temporarily; for now; until later; until the situation changes; in an …
for crying out loud
Used to express frustration, exasperation, or annoyance.
for the hell of it
For no particular reason, just because it is fun, entertaining; or to …
for toffee
At all, especially of a (completely lacking) skill or ability.