「閉關自守」

(pos:動詞)(sim:因循守舊)(sim:墨守成規)
<explanation>
yue:閂埋個關口，自己守住；引申做性格或作風保守、唔接觸外界嘅新嘢，或者係同外界隔絕而冇交流嘅意思
eng:conservative, unwilling to explore new things outside, or self-isolated from communication, in terms of one's character or style; literally: to close the gateway and defend by oneself
<eg>
yue:有啲人覺得，收緊中國人來港旅遊會影響香港經濟，係閉關自守。 (jau5 di1 jan4 gok3 dak1, sau1 gan2 zung1 gwok3 jan4 loi4 gong2 leoi5 jau4 wui5 jing2 hoeng2 hoeng1 gong2 ging1 zai3, hai6 bai3 gwaan1 zi6 sau2.)
eng:Some people feel that tightening Chinese people travel to Hong Kong will affect Hong Kong's economy, which is a closed-door policy.