speak with (a) forked tongue

to make false promises or to speak in a way which is not honest.

The minister is speaking with a forked tongue, promising support he will never deliver.

• make allowances for something
• make all the difference
• make all the difference in the world
• make all the right noises
• make all the running
• make a long story short
• make a man of
• make a man of someone
• make a man out of
• make a man out of someone
• make a mark
• make a martyr of
• make a martyr of someone
• make a martyr of yourself
• make a meal of
• make a meal of something
• make a meal out of
• make a meal out of something
• make amends
• make a mental note
• make a mess of
• make a mess of something
• make a mockery of
• make a mockery of something
• make a monkey of