This case requires watching, by the way.とは 意味・読み方・使い方

This case requires watching, by the way.

This matter needs investigation.

The occasion demands a cool head.

One must observe caution in these matters.

I feel that a few more words are called for on this subject.

This is a matter that requires urgent attention.

This is an urgent matter.

Special care should be taken on this point.

The matter requires close attention.

The matter must be thoroughly investigated―probed to the bottom.

Please look into this matter.

That is thought to be related to this issue.

The story must be taken with some （grains of） allowance―taken with a grain of salt.

The statement requires some qualification.

You should note the fact

The fact is worthy of note.

This one fact shows how the tide of opinion is setting.

must remain on your guard in such a situation

We have to study the matter.

I must call public attention to the fact.

This must be taken into account.

We have to settle this matter once and for all.

This is a point you absolutely need to confirm.

This matter calls for decisive [drastic] measures.

Mention must be made of this in the resolution.

This problem, however, should be considered more carefully.

All this is necessary Moreover, you must use thorough care.

The problem must also be viewed from the employers' angle.

You must be extremely cautious in handling that.

That is worth considering as an alternative.