英和和英

You should be careful.

the state of requiring attention

You must be careful.

Moreover, you must me careful.

something that is important to see

It is a noteworthy fact.

a thing that needs to be paid special attention

It needs to be examined

to report on necessary matters

an important point of a matter

demanding attention

to feel a need―feel a want

matters that should be brought to attention

to urge （on one） the necessity of something―impress upon one the importance of something

an object that must be seen or examined

a thing which must be done

the matter which must be addressed

It requires close attention.

to meet the need―fill a need―minister to one's needs

to cause necessity―necessitate

A word of caution is in order.

lacking needed care and attention

something that is indispensable

a state in which something that is necessary is lacking

In this kind of case, you need to be careful.

to be furnished with the necessities

to get completely ready

requiring attention or action

What should I be careful about?

the degree of necessity