摸头便知谁是谁。 Learn the ropes and then know who is who.

爸爸分不清4兄弟 Dad confound with four brothers

老二犯错打了老三 Old two wrong dozen old three

　　时间过得真快，转眼4兄弟就上小学了，虽说是免费，但如何让老师、同学区分他们成了难题。

Time flies,A four brothers on the primary school,Although it is a free,But how to let the teacher/Students distinguish between them became a difficult problem.

　　谭女士说，4个儿子仅有单眼皮、双眼皮的区别，身高几乎一样，“一岁半前我也是靠脚牌才能分清哪个是哪个，他爸爸到现在也分不清，有时老二犯错，结果打了老三，弄得很尴尬。”谭女士说，这可能跟老公在东莞工作、有时一周或一月才回一次家有关，而且回来都是晚上。

Tan lady said,Four son only folds/Double-fold eyelid difference,Almost the same height,"One and a half ago I also depend on foot card can tell which is which,His father to now also points is not clear,Sometimes old two mistakes,The results beat old three,Very embarrassed."Tan lady said,This may follow husband in the dongguan work/Sometimes a week or month to return a house relevant,And back are all night.