2.a loophole enabling workers to take unnecessary sick leave
使工可以在没有需要的情况下休病假的漏洞
3.he made millions sniffing out tax loopholes for companies.
他通过发现税则漏洞帮公司赚了几百万。
4.2. that donjon keep, much more pierced with loopholes than with windows; that drawbridge, always raised; that portcullis, always lowered,--is the Bastille.