请病假的英文表达有:
take a sick leave;ask for sick leave;report sick;call in sick;be off sick
例句:
She just asked for sick leave again today, the fifth time she's called in sick this month. 她今天刚刚又打电话来请假了,这是她这个月第五次请病假。
John has just taken for sick leave because of a stomachache. 约翰刚刚因为胃痛请了病假。