lawful指一定的控制,强制行为具有法律依据.如;lawful arrest依法逮捕; He recognized John as his lawful heir. 他确认约翰为他的合法继承人。 Marriage by a priest is lawful in England without another ceremony. 在英国,由牧师证婚的婚姻即使没有别的仪式也是合法的。 legal意思同lawful,但通常用于法令,较正式; Is it legal for boys of that age to drink alcohol? 这个年龄的男孩喝酒合法吗? legitimate表示法律承认习惯已认可的.如legitimate son 婚生子illegitimate; Sickness is a legitimate reason for asking for leave. 生病是请假的一个正当的理由。