guāng​shuō​bù​zuò

to be all talk and no action

Senses

光说不做/ 光說不做 guāng​shuō​bù​zuò to be all talk and no action

(idiom) to talk without taking any practical action; to preach what one does not practice

References

synonym 光说不做/光說不做 光说不练/光說不練
same_as 光说不练/光說不練 光说不做/光說不做