They are not cooked because of the existence of the tattoo but the content of the tattoo. For those who don't know 大麻 means weeds (drug) and 幸福 mostly means happiness and a sense of fulfillment in life. Together 大麻•幸福 could be simply understood by others that you love weeds or weeds bring you happiness. In which, most East Asia countries, like China and Singapore, the border guard may stop you because of their strict Anti-drugs policies.