bù​sù​zhī​kè

uninvited guest

Senses

不速之客 bù​sù​zhī​kè (also bú​sù​zhī​kè) uninvited guest

(idiom) an uninvited or unexpected guest; someone who arrives without being summoned; literally "a guest who has not been invited"

References

variant 不速之客/不速之客 不肃之客/不肅之客
classifier 不速之客/不速之客 个/個
classifier 不速之客/不速之客 位/位