He raged at his sales person about something he didn't like.
He ranted and raved at his co-worker because he wasn't doing his share of the work.
ーHe raged at his sales person about something he didn't like.
「彼は気に入らないことがあって、営業マンに怒鳴り散らした」
to rage at ...で「…に怒鳴り散らす」
something he didn't like で「何か彼が気に入らなかったこと」
ーHe ranted and raved at his co-worker because he wasn't doing his share of the work.
「彼は同僚が仕事をしないので、同僚に怒鳴り散らした」
to rant and rave at ... で「…に怒鳴り散らす」とも言えます。
ご参考まで！
カナダ 
