So; thus; frequently inserted in italics in brackets after a word in a quoted passage, to indicate that, in spite of apparent absurdity or misspelling, it is quoted correctly.

原文如此。常作(sic)或用斜体字，插于引用句后，以示所引用之欠妥或谬误词句等确实原文如此。

To incite (a dog) to attack.

唆使(狗)攻击。

Same as sick.

亦可作 sick。