Headfirst
adv. 头在前
✅ 同义词
🗣️ 情景例句
I hope you will excuse me.
希望你能原谅我。
I meet the boy whose aunt is a nurse.
我遇到那个男孩的姑妈是护士。
You must keep it a secret. You mustn't tell anybody else.
你必须保密，谁都不能讲。