A False friend is just like a snake in the grass.
A heavier snake would, though lighter would not.
To include an idiom in an example sentence, simply incorporate the idiom naturally into the sentence to convey a figurative meaning. For example, "She had a chip on her shoulder" is an idiom meaning she was easily offended or held a grudge.
My cousin's current favorite idiom is 'as nice as spice'.
That bully is about to deliver his famous knuckle sandwich.
"Animal" is not an idiom. An animal is a living thing with more than one cell which cannot make its own energy.
At the bottom would be the grass, and above it would be the rabbit. An arrow would point from the grass to the rabbit, showing that the rabbit eats the grass. Then the snake and leopard would be above the rabbit, and there would be two arrows pointing away from the rabbit (one toward the snake and one toward the leopard). This shows that the snake and the leopard eat the rabbit. There could also be an arrow pointing from the snake to the leopard (although it is rare for leopards to actually eat snakes, they do have a varied diet and would eat a snake).
My grand-dad used to make whistles out of blades of grass.
When the project was assigned, other homework assignments got put on the back burner.
The rattle snake stops rattling when the strike is imminent.
That's not a snake, it's my tire that's hissing.
If you take a fancy to eating chocolates you will get fat.He took a fancy to her way of speaking.
This is not an idiom. Idioms make little or no sense unless you know the definition. This sentence makes perfect sense, so it is not an idiom. The dead fish smelled so bad that even as high as Heaven, you could smell them.