a waist like a wasp's的用法和样例：
- Yesterday in curio city I bought a sword which has a protuberant point and a narrow body after removing the rust.It looks like a waist saber with feathery pattern on the blade.
- An idea popped into his mind like a flash.
- She was like a narcissus trembling in the wind.
- The driven gear fits its driving gear like a glove.
- He talks like a parrot and just repeats what he heard.