### Chinese: 如果大概到了周期，莫名其妙拉肚子，基本上两天内会来月经。
### English: If you probably reach the cycle<v>, inexplicably</v> diarrhea, basically within two days will come to menstruation.
### Errors: There is a minor fluency/grammar error at ", inexplicably" within <v></v>.

### Improved English: If you are near the cycle and you have diarrhea for no reason at all, you will basically get your period within two days.
