vt.意识到，领会；发现…的真面目
If you want to succeed in business you have to suss out the competition. 要想在生意场上立足，你必须真正明白竞争是怎么回事。
Talk to him to suss him out if you're not sure of him. 如果你仍然拿不准，跟他谈谈，探探他究竟是什么样的人。
