她是医学研究领域的顶尖权威人物。

She's the ___kahuna in the field of medical research.

卡胡纳用古老的咒语治愈了村民的疾病。

The ___kahuna healed the villagers' sickness with ancient chants.

冲浪者们急切地划水出海，想要抓住那个巨大的海浪。

The surfers paddled out eagerly to catch the massive ___kahuna.