in a way that is connected with the law a legally binding agreement 具有法律约束力的协议 to be legally responsible for somebody/something 对某人／某事负有法律责任 Legally, there is not a lot we can do. 从法律上讲，我们无能为力。 It’s an important case both legally and politically. 这是在法律和政治上都很重要的案件。
in a way that is allowed or required by law You are legally entitled to a full refund. 你依法有权得到全额退款。 The drug can be sold legally in some states. 该药物可以在某些州合法销售。