1) You do not have to go by yourself.
你不必亲自去。
2) You don't have to go now.
你不必去了。
3) You needn't bother to count it.
你不必费心去数。
4) You need not( need not) go there.
你不必到那里去。
5) You need not reproach yourself so much.
你不必自责太深。
6) She need not go.
她不必去。
参考词条