be rampant for a while;run wild for a time ? 這些惡棍盡管曾～，但他們終于受到了法律制裁。Rampant as these ruffians were for some time,they were brought to justice in the end.
猖獗一時(shí)chānɡ jué yī shí
比喻一時(shí)鬧得很厲害。run wild for a while, be rampant for a time, run wild for a time