请问：“岂不是”用英语怎么说？

then i will have a 2 weeks-break in a row

岂不是在中文里是个反问的语气，最好不要译，否则很生涩（won't i have a 2 weeks-break in a row then?)

Then I can have a break for two weeks.

then,i have two weeks break.

then shouldn't I rest for two week?