what's mean i don't know sorry

what's mean i don't know sorry sorry i don,t know what i can do next sorry i don't know ___ I don't know what this word means.(为什么“mean”要加“s”） I don't know what mean for this question!I don't know what m I don't know what does love mean. 什么意思? i don't know what you mean和i don't know what do you mean 有区别 What’s this___English?Sorry.I don’t know.应该填啥? What s------ coat does Jim wear(穿)?Sorry,I don't know.【根据句意及 what's this in english?--Sorry,I don't know how ———it. --Excuse me.What's this in English?--Sorry,I don't know.look Excuse me,what's the time,please?Sorry,I don't know.Thank yo sorry,I don't know.