站不住脚的借口；证据不足；无益的争论；空洞的情节。a flimsy excuse; slight evidence; a tenuous argument; a thin plot 在周末来为琐事操劳烦神是无益的。It is no use worrying about trifling things at the week-end.
An almost religious meditation on the persistence of guilt and memory, and the desire for forgiveness, the drama uses a rather thinplot to tread across established O'Neill themes.