questionable practice 有问题的做法
An action or procedure that may be unwise or illegal (NOTE: usually followed by preposition "of")
The new manager intends to stop the little company's questionable practice of letting employees come to work in the morning at any hour they want.
公司允许员工早上不按点上班，新来的经理打算阻止公司的这一有问题的做法。