tough

/tʌf/

adj 坚韧的，咬不动的；强壮的；粗暴的

例句：The EU is taking a tough line with the UK over this issue.（在这一问题上，欧盟对英国的态度很强硬。）

派生：toughly；toughness；toughen

短语：tough guy；tough it out；get tough with

同近：difficult；strong；hard；rough；firm