tougher例句
        MPs called for 
tougher enforcement of the existing laws on drugs.
下院议员呼籲加强现行毒品法律的执行力度.
You must have had a much 
tougher time than we did.
你们要比我们辛苦得多.
"It's tough at the top," he said. "It's 
tougher at the bottom," riposted the billionaire.
“身居高位很辛苦,”他说。“在底层更辛苦,”这个亿万富翁机敏地回答道。