(derogatory) Of a supposedly scientific argument or explanation: unable to be meaningfully discussed because it is based on fundamentally invalid reasoning or speculative premises that cannot be proven or falsified.

Be unable to identify because one is trying too hard.

have a very poor aim, such as while using firearms or in sports.

(motorcycling) When choosing clothing for riding a motorcycle, priority should be given to protective gear that helps one survive an accident.

If (something) were not (or had not been) there; in the absence of (something); without.

(Australia, UK, vulgar) Used to indicate one has serious business to pursue and should not be wasting time.

be carefree

(colloquial) Used to insist that one is telling the truth.

To not know anything about something.

In order to achieve something, it is inevitable and necessary that some sacrifices must be made.