un‧der‧neath 1 S2 / ʌndəniθ $ -ər- / 介词 , 副词

1 directly under another object or covered by it :

He got out of the car and looked underneath.

It’s near where the railway goes underneath the road.

She was wearing a smart jacket with a T-shirt underneath.

Her blonde hair was hidden underneath a baseball cap.

2 on the lower surface of something :

The car was rusty underneath.

A number had been painted underneath the table.

3 used to say what someone’s character is really like when their behaviour shows a different character :

She seems confident, but she’s really quite shy underneath.

I think he’s a genuinely nice guy underneath it all .

THESAURUS

under something that is under something else has that thing directly above it or covering it : The pen was under the desk. | She had a T-shirt on under her sweater.

below in a lower position than something else, though not always directly under it : From the cliffs we could barely see the people on the beach below us. | His apartment is below ours on the left.

underneath under – used especially to emphasize that something covers, touches, or hides something : The girls wear shorts underneath their cheerleading skirts. | I found the book underneath the sofa.

beneath formal under or at a lower level : They strolled hand in hand beneath the summer moon. | The water lies just beneath the surface of the earth.