"학생신분으로 있는 사람인데.."--- As u noe, except for on-campus employment of 20 hours a week or less, F-1 student , if u hold it, b generally not permitted to work in the US without prior authorization from Citizenship and Immigration Services (USCIS). However, the USCIS may grant work authorization for Curricular Practical Training (CPT) and Optional Practical Training (OPT).
" 체크를 받았습니다. 체크 금액은 200달러인데,"---In general, F-1 visa holder b exempt from paying FICA Taxes, Social Security and Medicare, for a limited time. However, u are subjected to federal taxes, and state/local taxes, if applicable. Suppose ur employer withheld ur Federal tax( even state income tax) from ur paycheck, p[aying it to the IRS. Then ur employment record probably would be reported to the IRS. U need to consult with ur employer on withholding ur taxes to the IRS, bud.
Good luck, bud~~~~~