(pos:動詞)(ant:開關)
<explanation>
yue:封閉邊境嘅關卡；增加對跨境移動嘅限制
eng:to close borders; to impose significant border controls
<eg>
yue:因為疫情嚴重，政府決定暫時封關。 (jan1 wai6 jik6 cing4 jim4 zung6, zing3 fu2 kyut3 ding6 zaam6 si4 fung1 gwaan1.)
eng:Due to the severe pandemic, the government has decided to temporarily close the border.