ichidan verb, transitive verb
be unable to figure out; find difficult to guess; struggle to work out
Expresses difficulty or inability to estimate, judge, or understand something, often about someone's feelings, intentions, or an uncertain situation.
彼の本心は計りかねる。
I can't figure out his true feelings.
この状況では、どう動くべきか測りかねている。
In this situation, I'm struggling to work out how I should act.