「非請勿進」

(pos:語句)
<explanation>
yue:只對某啲特定嘅人開放；如果冇受到邀請、批准，請唔好入嚟
eng:no entry without permission
<eg>
yue:軍事重地，非請勿進。 (gwan1 si6 zung6 dei6, fei1 cing2 mat6 zeon3)
eng:Military zone. Out of bounds.