This is the 6224th most frequent Chinese word.
張定
"張定" does not have a direct definition as a standalone term; it might be a personal name or need specific context for interpretation.
Here, '張定' refers to a person's name, indicating who is making the invitation.
張定邀請我們參加他的生日派對。
Zhang Ding invited us to his birthday party.
In this usage, '張定' could hypothetically represent the process of setting or establishing determination, though '張定' isn't commonly recognized as such in standard Chinese.
張定了目標，決心努力達成。
He set a goal and decided to work hard to achieve it.
Here, '一張定期票' refers to a specific type of ticket ('定期票'), combining '張' as a measure word and '定期票' indicating the object—a periodic ticket.