He is always talking so much in class
在课堂上,他总是讲那么多.
always , 进行时,是表示感情色彩的.
喜欢或讨厌等.
down,应该是错的.
只有:talk down
1. 以高声说话压倒,放大声音盖过(别人的话);驳倒,使哑口无言:
The experienced lawyer talked that man down.
这个经验丰富的律师将那个人驳得哑口无言。
2. 以言辞贬抑:
He talked down his opponent's achievement.
他贬低对手的成就。
3. 以高人一等的口气对…说话,以居高临下的口吻说话:
The professor talked down to his students.
教授用高人一等的口气对自己的学生讲话。
Now that he is rich,he talks down to his friends.
他现在富了,竟然以居高临下的口气对朋友们讲话。
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