2.look daggers at somebodyinformalLOOK AT to look at someone angrily 对某人怒目而视
Examples from the Corpus
look daggers at somebody• The ladybehind the counterlooked daggers at me.• Their relationship is not free and easy but at least Red is no longer looking daggers at her.
3.be at daggers drawnANGRYif two people are at daggers drawn, they are extremely angry with each other 势不两立,剑拔弩张
dagger• Even though she'd expected it, that smiletwisted in Shannon's heart like a dagger.• Caterina takes a dagger from the galleryartifactcollection and goes to meet him.• The two combatants were armed with spears and shields, and each man had sword and dagger at his belt.• It was rather like having a heateddaggerthrust into the eyeball and twisted, then causticsodarubbed in the wound.• Their relationship is not free and easy but at least Red is no longer looking daggers at her.• I jumped to one side, and the dagger went deep into my shoulder.• As the dagger went in, the bush turned grey and all its thorns went pale and soft.
Origindagger
(1300-1400) Perhaps from dag“to push a knife into”((14-18 centuries))