In the following question, out of the given four alternatives, select the alternative which best expresses the meaning of the Idiom/Phrase.

To make one's mouth water

Feel hungry

The idiom "to make one's mouth water" means to make someone very hungry or to make something look very delicious. So the answer is Feel hungry.

The other options are incorrect.

• To make faces means to make a funny or ugly expression with your face.
• To tremble with fear means to shake or shiver because you are very scared.
• To feel no pain means to not be able to feel pain.
• To feel hungry means to want to eat.