He speaks with a forked tongue, promising one thing and doing another.
Он говорит с двуличием, обещая одно, а делая другое.
Definitions
A 'forked tongue' refers to speaking deceitfully or dishonestly, often by saying different things to different people or not telling the truth. The phrase originates from the physical appearance of some snakes' tongues and is commonly used to describe someone who lies or is duplicitous.
