The course of action is unclear.とは 意味・読み方・使い方

Whether the medicine will work or not is uncertain.

The addressee is not known.

The technique for that hasn't been established.

the petitionary procedure had a quality of indecisiveness

The reason for declaring war is not certain.

The rights and wrongs of the case are as yet unknown.

It's rude to stare.

The motive for the murder is not yet known.

The motive for the murder isn't yet known.

The cause is unknown.

a dim consciousness of injustice

We do not yet know everything about the matter.

All the details of the affair have not yet been brought to light.

The future of Iraq remains unclear.

The plans are still up in the air.

The cause of that outbreak is unknown.

The extent of the damage is not yet known [has not yet been ascertained].

No speculation has taken place concerning the motives.

That was a totally strange [weird] decision.

He always calls a spade a spade.

He's not afraid to say what he really means.

That is a stupid [not a very sensible] way of doing it.

The cause of the accident is unknown.

the reason for their actions is unclear to this day

an unchallenged assumption

You will receive no pay [No salary will be paid] while you are on probation.

The lawsuit remains undecided.

The whereabouts of the suspect is still unknown.

I don't seem to be getting any better.

The contract price has not been disclosed.