If you had trouble today with the problems I assigned, better stay after class and we'll have a skull session on this.
要是你们有谁对我今天布置的作业有困难的话，最好在这一课上完后留下来，我们可以对这个问题进行讨论。
If you had trouble today with the problems I assigned, better stay after class and we'll have a skull session on this.
要是你们有谁对我今天布置的作业有困难的话，最好在这一课上完后留下来，我们可以对这个问题进行讨论。
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