hardmouthed

adj.难驾御的,倔强的,顽固的

说话刻薄而坚决的

形容词

1. She was known for her hardmouthed remarks that often offended people.
她以言辞尖刻而坚决的话语而闻名，常常冒犯人们。

2. Despite his hardmouthed attitude, he was actually a caring and loyal friend.
尽管他说话刻薄而坚决，但他实际上是一个关心和忠诚的朋友。