Syntax error,“：”expected but “identifier A0” found.Compilation aborted.

Syntax error,“：”expected but “identifier A0” found.Compilation aborted.
Syntax error,“：”expected but “identifier A0” found.Compilation aborted.

Syntax error,“：”expected but “identifier A0” found.Compilation aborted.
这两句怎么翻译：句法错误,预期是冒号,但碰到的却是 标识符 A0,编译中止.
-------------------------------
Syntax error -- 句法错误
“：”expected -- 预期是冒号
but “identifier A0” found -- 但找到的却是 标识符 A0
Compilation aborted.-- 编译半途中止.（aborted -- 流产）.

“：”
看看这个符号在哪里