Don't be a____ with the boy.He's only a child.

angry
be angry with 意为对某人生气
则句意为 不要对他生气,他还只是个孩子

(be afraid of 害怕做..)

Don't be angry with the boy.He's only a child.

angry \ annoyed

angry,be angry with 是固定搭配,生气的意思

觉得argue也可以。是争吵的意思。

angry
be angry with 对某人发火