理解法律术语需要专业知识。

Understanding legal ___jargon requires specialized knowledge.

非美式英语使用者可能使用特定的行话。

Non-American English speakers may use a particular ___jargon.

医学领域的行话对外行人来说常常难以理解。

The ___jargon in the medical field is often incomprehensible to outsiders.