A Bad Workman Blames His Tools!
Mr. Tam:I can see a boy near a bridge.Is he holding a fishing-rod?
Nelson:Yes,he is.The fishing-rod in my picture isn’t very good.
Mr. Tam:No,it isn’t.Why isn’t it?
Nelson:I don’t have a thin paint brush.
Mr. Tam:The boy’s face is very pink.It isn’t very good.Why isn’t it?
Nelson:I don’t have any yellow paint.
Mr. Tam:The sky is very dark.
Nelson:Yes,it is.I don’t have any clean water.
Mr. Tam:A bad workman always blames his tools,Nelson.