close in

US /kloʊz ɪn/
UK /kloʊz ɪn/
"close in" picture
1.

cerner, se refermer

to surround or enclose something or someone, often in a threatening or restrictive way

:
The fog began to close in, making visibility very poor.
Le brouillard a commencé à se refermer, rendant la visibilité très mauvaise.
The police are closing in on the suspects.
La police est en train de cerner les suspects.
2.

approcher, se rapprocher

to approach the end of a period of time or an event

:
As winter began to close in, the days grew shorter and colder.
Alors que l'hiver commençait à approcher, les jours devenaient plus courts et plus froids.
The deadline is closing in fast.
La date limite approche rapidement.