成為對...不利的證據; 對...有不利影響Do you think his bad handwriting will tell against him in the exam? 你認為他字寫得那樣糟會影響他的考試成績嗎?Her records of dishonesty tell against her. 她不誠實的記錄是對她不利的證據。
與...對照, 與...相比She gets Saturdays off in her new job as against working alternate weekends in her last one. 她新找的這份工作星期六放假, 而原來的那份工作週末是隔週放假。We had twelve hours of sunshine yesterday, as against a forecast of continuous rain. 昨日有十二小時的晴天, 預報卻說仍有雨。