• 夕(evening; night)
• 口(mouth; speech)

When it's dark and people can't see each other, they must use their mouth to call out names to recognize one another.

• 禾(rice plant; grain)
• 刂(knife; blade)

Using a sickle to harvest ripe grain is how you obtain profit.

• 釒(metal)
• ⺌(small; tiny)
• 貝(shell; currency)

A metal padlock has small chain links like clam shells connected together.

• 夕(evening; night)
• 口(mouth; speech)

When it's dark and people can't see each other, they must use their mouth to call out names to recognize one another.

• 禾(rice plant; grain)
• 刂(knife; blade)

Using a sickle to harvest ripe grain is how you obtain profit.

• 釒(metal)
• ⺌(small; tiny)
• 貝(shell; currency)

A metal padlock has small chain links like clam shells connected together.