an example of pool, careless work

blunder

to do (a piece of work) badly and clumsily

blunder, mess up

to make (something) difficult to do or understand

confuse, make difficult

to fill (a person) with confusion

confuse

to fold, wrinkle or furrow

crinkle, fold

to cause (a discussion, speech, flow of something etc) to be stopped or be in a state of disorder

upset, disorganize

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 feel about uncertainly with the hands; use the hands awkwardly

bumble, mess up

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 crease (something)

crush, wrinkle

to go round and cover (something)

crush, wrinkle