排除

We cannot exclude the possibility of murder.

He liquidated all his political opponents.

The police have cleared all the other suspects except him.

not forswear the use of force

brush/smooth/clear away obstacles; get over/remove obstacles

preclude/remove all doubts

shut the doubts out of one's mind

defuse the potential danger

obviate a danger

get rid of/brush away selfish ideas

smooth over/iron out/overcome difficulties

drain the flooded streets

fix a breakdown; clear a stoppage; debug

get over/eliminate/suppress interference

exclude illegal evidence