须知 xūzhī key information
key information; instructions; it must be borne in mind
How to remember 须知: 须 have to + 知 know = key information.
Characters
How it is used
- Points to note / essential instructions (noun); or 'one must know that' (verb) - 考试须知 (kǎoshì xūzhī) exam instructions.
- As a noun it heads posted rules/guidelines (购票须知, ticketing notice); formal, official register.
- As a literary connective: 须知成功来之不易 (bear in mind that success is hard-won).