- 不必要 bùbìyào unnecessaryneedless; dispensable; not required or uncalled-for
- 大可不必 dàkěbùbì unnecessaryneed not; not be really necessary; there is no need at all to do something
- 自不必说 zìbùbìshuō it goes without sayingit goes without saying; needless to say
- 不必说 bùbìshuō it goes without sayingneedless to say; unnecessary to mention
- 更不必说 gèngbùbìshuō let aloneto say nothing of; not to mention