forbidding adj.令人生畏的,严峻的
..., the carriage turned into a long drive lined with tall poplars, drawing up eventually outside a huge and rather forbidding redbrick mansion.
……马车拐进一条长长的车道,两边是高高的白杨,最后马车缓缓地停在一座庞大并且令人忘而却步的红砖大楼前。
The house looked dark and forbidding.