如果你有问题的话,请举手.
If you have any questins,please put up your hand
或者：
You can put up your hand if you have any questins
如果你有问题的话,请举手.用英语怎么翻译
如果你有问题的话,请举手.
If you have any questins,please put up your hand
或者：
You can put up your hand if you have any questins