angielski-czy ktos to moze przetlumaczyc

Bardzo prosze o przetlumaczenie bo mam watpliwosci co do zrozumienia tego tekstu, a to WAZNE !! wiem ze tekst dotyczy pracy tymczasowej , doraznej I'm pleased to confirm the conditions under which we may be able to offer you casual employment. work may be offered to you on "ad hoc" basis and you are free to accept or decline such offers. We are under no obligation to offer you engagments or re-engagment or minimum numbers of hours. You will work initially on 2 week trial period . Engagements may be offered to you on either an hourly or sessional basis.