[形]
（對； 正確） correct; right
seek truth from facts
實事求是
apparently right but actually wrong
似是而非
consider oneself (always) in the right
自以為是
What you said is right.
你說得是。
[書] （真實的） true
Is it true or (is it) not?
是耶? 非耶?
[代]
[書] （這； 這個） this
that time
是時
like this
如是
know from this
由是可知
It was fine that day.
是日天氣晴朗。
（用在名詞前， 含有“凡是”的意思） all; any
Every Chinese loves China.
是中國人都愛中國。
Every man is liable to error.; No human being can be free from mistakes.
是人總要犯錯誤。
When there's a tough job, he always rushes to do it.
是重活， 他都搶著干。
[嘆]
（表示應答） yes; right
Yes, I'm coming right now.
是， 我就來。
Right, we will fulfil the task.
是， 我們一定完成任務。
[動]
[書] （認為正確） praise; justify
praise the past to condemn the present
是古非今
justify his action
是其所為
[名]
[書] （大計； 事務） (important) affairs
Representatives of different nationalities gather in the same hall to discuss affairs of state.
各族人民的代表聚集一堂， 共商國是。
（姓氏） a surname
Shi Yi
是儀