hiểm trở

== Vietnamese == === Etymology === Sino-Vietnamese word from 險阻. === Pronunciation === (Hà Nội) IPA(key): [hiəm˧˩ t͡ɕəː˧˩] (Huế) IPA(key): [hiəm˧˨ ʈəː˧˨] (Saigon) IPA(key): [him˨˩˦ ʈəː˨˩˦] === Adjective === hiểm trở (of terrain) dangerous and difficult, and with obstructions