You can use not unnaturally to indicate that the situation you are describing is exactly as you would expect in the circumstances.
例句
It was a question that Roy not unnaturally found impossible to answer...那是个罗伊显然无法回答的问题。Not unnaturally, Jane greatly resented Harry's interference.很自然地,简对哈利的干预极为不满。
英汉词典释义
adv.
不自然地
Her eyes were unnaturally bright.她的眼睛亮得不自然。Her voice sounded unnaturally loud.她的嗓音很响亮,但是有点反常。
英英词典释义
Adverb
1. in an unnatural way;
"his other arm lay across his chest, unnaturally, as if placed there deliberately, for a purpose"
2. not according to nature; not by natural means;
"artificially induced conditions"
3. not as might be expected;
"The early Church not unnaturally adopted the position that failure to see the messianic character of his work was really caused by the people's own blindness"