to do (a piece of work) badly and clumsily

blunder, mess up

to make (something) difficult to do or understand

confuse, make difficult

to upset the calmness or confidence of (a person)

shake up; confuse

to make mistakes; do or be wrong

make a mistake; do wrong

to make wild and usually useless efforts (as when one is in deep water and unable to swim)

struggle; be in the dark

to prevent (a person) from doing something; to prevent (plans) from being carried out

thwart, disappoint

to harm, damage, (a person, part of the body)

hurt, harm

to spoil (beauty, a feeling etc); March

hurt, damage

(in Roman myth) the god of war; the planet fourth in order of the sun

hurt, damage

to give the wrong direction to (a person, letter etc)

mess up

to govern (a country) badly

mess up

to deal with (a situation, person etc) roughly, inefficiently or without ability

bobble

a covering, open at both ends, used to keep the hands warm

bungle

to block up (a road, view etc); to make (the progress etc of something) difficult

prevent, restrict

(of teams, players etc with equal scores) to play a deciding match

stop, hinder

to oppose or prevent (something) successfully

stop, hinder