English Idioms About “Parts of the body”
Idiom: Make somebody’s mouth water
Meaning: When the smell or sight of food is extremely good it makes your mouth water.
Example: The smell of that roast chicken is making my mouth water.

English Idioms About “Nature”
Idiom: Come under fire
Meaning: To be subject of criricism.
Example: The president has come under fire for his decision to postpone the elections.

English Idioms About “Love”
Idiom: Fall head over heels for someone
Meaning: To be in love with someone very much; hopelessly smitten.
Example: They fell head over heels in love with each other.