steel trap

• adj. 极快的(直接的)

英英释义

Noun:

1. an acute intelligence (an analogy based on the well-known sharpness of steel traps);

   "he's as sharp as a steel trap"
   "a mind like a steel trap"
   

2. a trap made of steel with a strong spring and sharp toothlike projections to hold the prey

词汇搭配

• have a mind like a steel trap 记性极好
• a mind like a steel trap 头脑灵活