anschreien
to yell at
To address someone very loudly and usually angrily or aggressively.
Der Trainer schrie den Spieler an, weil er einen Fehler gemacht hatte.
The coach yelled at the player because he had made a mistake.

to yell at
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to yell at
To address someone very loudly and usually angrily or aggressively.
Der Trainer schrie den Spieler an, weil er einen Fehler gemacht hatte.
The coach yelled at the player because he had made a mistake.

'Anschreien' (to yell at) is a separable verb. The prefix 'an-' comes at the end in a main clause. It emphasizes that a person is directly the target of the shouting.
Warum schreist du mich so an?
Why are you yelling at me like that?
The person who is being yelled at is always in the accusative, without a preposition. You yell at someone: 'jemanden anschreien'.
Bitte schrei den Hund nicht an, er hat nur Angst.
Please don't yell at the dog; it's just scared.
'Anschreien' (to yell at) is almost always used in a context of anger, frustration, or conflict. It describes an aggressive form of communication.
Die beiden Nachbarn schrien sich wegen des Lärms gegenseitig an.
The two neighbors yelled at each other because of the noise.
to scream
'schreien' and 'anschreien' both have to do with using a very loud voice. 'schreien' is more general: someone can scream out of fear, pain, or joy, or shout very loudly so that they can be heard. It does not have to be directed at a specific person. 'anschreien', on the other hand, needs a person as its target. It means to address someone very loudly and usually angrily. Learners may confuse the words because both are loud. The important point is: you simply 'schreien' loudly, but you 'schreit jemanden an' (yell at someone).

Zu Hause schreit der Vater seinen Sohn an, obwohl der Fehler klein war.
At home, the father yells at his son, even though the mistake was small.
Das Kind schreit, weil es sich am Finger verletzt hat.
The child is screaming because it hurt its finger.