斬釘截鐵

lit. to chop the nail and slice the iron (idiom) / fig. resolute and decisive / unhesitating / categorical

to behead (as form of capital punishment) / to chop

nail / to follow closely / to keep at sb (to do sth) / variant of 盯[ding1]

to join things together by fixing them in place at one or more points / to nail / to pin / to staple / to sew on

to cut off (a length) / to stop / to intercept / section / chunk / length

surname Tie

iron (metal) / arms / weapons / hard / strong / violent / unshakeable / determined / close / tight (slang)