Jiā zài lǎobǎn hé yuángōng zhī jiān, tā chéng le jiāxīn bǐnggān.
Stuck between the boss and the employees, he became the one caught in the middle.
Tips
usage
Figurative sense is quite common: a middle child, a middle manager, or a country 'sandwiched' between two powers can all be called a 夹心饼干 — the person with pressure on both sides.
