了解

We must get acquainted with/keep abreast of the latest developments in science and technology at home and abroad.

Let's go and try to find out what's happened.

I'd like to ask you about something.

find out the facts; find out the ins and outs of an event

If he needs any further information, refer him to me.

fully/thoroughly understand; have a full/thorough/perfect understanding (of sb/sth)

build up/further/develop/promote understanding (between)

lack understanding (of)

deepen the understanding (of); promote deeper understanding (between)

further/promote/increase mutual understanding

understand/comprehend the importance/seriousness of an issue

understand the facts

acquire/gain/obtain an understanding of the present situation

Let's go and try to find out what's happened.

I'd like to ask you about something.

find out the facts; find out the ins and outs of an event