be unsure of

Although, to be fair, we're still unsure as to the fate of Mushu, it also appears that Li Shang may have been erased from the remake: Mulan's commander and eventual love interest, who's particularly notable as many interpretations of the film code the character as bisexual.

李翔是剧中花木兰从军后的长官，后来和木兰喜结连理，因为很多人从电影解读该角色的人设是双性恋，所以这次翻拍没有戏份。

Harry's affection for Ginny continues to grow but he continues to be unsure of his feelings.

哈利对金妮的感情继续增长,但他对自己的感觉仍不确定.

Young children at a Bristol health centre unsure of the benefits of sun-lamps and the special glasses that must be worn, The health centre was part of the newly introduced free National Health Service in 1948 Photograph: Popperfoto/ Popperfoto/ Getty Images

在布里斯托健康中心的少年儿童享受不到太阳灯，特殊的眼镜也注定会被用坏。建设该健康中心是1948年最新引入的国家免费健康服务制度的一部分。照片提供：盖提图片社

Nim had learned of the arrangement accidentally and was unsure whether be grateful, irritated or amused.

尼姆偶然之中知道了这种安排,他简直不知道是应该感激 、 气恼还是觉得有趣才好.