上课必须认真听 We must seriously listen class ; School must listen ; Class must listen
你们必须认真听 You must listen to
我必须认真听讲 I must seriously listen ; I need to seriously listen
上课时必须认真听讲 Class must be listening intently
我们必须认真听课 We must seriously lectures ; We must seriously listen
你们必须认真学习 You must meticulously study ; You must seriously study ; You must be seriously studied
你必须认真考虑以下问题。
你必须认真地将这一栏数字加在一起。
我同意你的意见,我们必须认真讨论讨论。
Now, to do well in the course, you have to attend both the lectures and do the readings.
要想在这门课中取得好成绩,必须要认真听讲,用心阅读指定书目
Everybody can have fun, but you have to work hard.
每个人都能够享受生活,但也必须认真学习。
So, we should take the Greeks very seriously on that score.
因此,必须认真对待这一古希腊的核心思想
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