1. Foot in the door
The phrase “foot in the door” is used in a figurative sense. It is used to describe a way in where progress will be made later. Here are three example sentences for your reference.
“You could take on an easier job to get your foot in the door.”
“I didn’t have the qualifications for the job I wanted, so I took this one to get my foot in the door.”
“New graduates are always looking to get their foot in the door with large companies.”
2. A wolf in sheep’s clothing
Another English phrase is “a wolf in sheep’s clothing.” It is used to describe someone with immoral or malicious intentions disguised by kindness. In other words, it is used as cautionary advice to describe someone who necessarily cannot be trusted. Here are three example sentences for your reference.
“He’s a wolf in sheep’s clothing.”
“In the end, she was a wolf in sheep’s clothing.”
“He was trusted until they realized that he was a wolf in sheep’s clothing.”