2.我能问问我们上班时允许穿休闲服吗?
2. can I ask if we are allowed to wear casual clothes at work?
3 . In this case , the responsibility of this failure must lie with the chief engine
3.在这种情况下,这一故障的责任必须取决于主发动机。
4.你已经长大了,不能再依靠你父亲来解决这些问题。
4. you have grown up, and you can't rely on your father to solve these problems.
5.我想知道
史密斯先生是如何对这些批评做出回应的。
5. I would like to know how Mr. Smith responded to these criticisms.