a blast on the horn的用法和样例：
- The driver gave a blast on his horn.
- The lark's on the wing, the snail's on the horn.
- The man of whiskers gave a blast on the whistle which he used to wear hanging round his neck.
- The ship sounded a prolonged blast on the siren.
- The chauffeur gave three blasts on the horn, holding on to toots, trailing the last one to announce their presence.
- Pakistani fire fighters try to extinguish burning NATO oil supply tankers after a blast on the outskirts of Peshawar.