"unanticipated and disconcerting lines of development"
"unforeseen circumstances"
"a virtue unlooked-for in people so full of energy"
"like a bolt out of the blue"
unforeseen的用法和样例:
例句
用作形容词 (adj.)
There were many unforeseen problems. 有许多无法预料的问题。
Something completely unforeseen has arisen. 一件根本预料不到的事情突然发生了。
You must make a liberal allowance for unforeseen circumstances. 你必须充分考虑到预料不到的情况。