S-11:skate on thin ice 情况危急
A:The New Year is coming. Is the final examination approaching, Bob?
A:快到新年了!鲍勃,也该期末考试了吧?
B:Oh, yeah. We will have winter holiday.
B:是的,妈妈,我们就要放寒假了。
A:How are you getting along with your studies?
A:你学习进展怎么样?
B:Don't worry, mum. I will study hard tomorrow.
B:妈妈,别担心,我明天会好好学习的。
A:But you were playing video games all afternoon. You're skating on thin ice.
A:可一个下午你都在玩游戏,你现在的情况很危急呀。