Minefield (noun)

1. An area of land that has been sown with mines.
2. A metaphorical area or situation that is filled with hidden dangers or difficulties.

Origin:

From 'mine' meaning 'an explosive device' and 'field' meaning 'an area of land'.

Examples:

1. The minefield was a dangerous place for the soldiers.
2. The minefield was marked with warning signs.
3. The minefield was cleared by experts.
4. The politician had to navigate a minefield of conflicting interests.
5. The financial market was a minefield for inexperienced investors.