一筆抹殺

to blot out at one stroke / to reject out of hand / to deny without a hearing

one / single / a (article) / as soon as / entire; whole; all; throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yao1] for greater clarity when spelling out numbers digit by digit

pen / pencil / writing brush / to write or compose / the strokes of Chinese characters / classifier for sums of money, deals / CL:支[zhi1],枝[zhi1]

to wipe

to smear / to wipe / to erase / classifier for wisps of cloud, light-beams etc

to plaster / to go around / to skirt

to erase / to cover traces / to obliterate evidence / to expunge / to blot out / to suppress

to kill / to murder / to attack / to weaken or reduce / to smart (dialect) / (used after a verb) extremely