私は彼の言葉を脅迫と解した。
Watashi wa kare no kotoba o kyōhaku to kaishita.
I interpreted his remark as a threat.
私 (watashi: I)
彼 (kare: he)
言葉 (kotoba: word, remark) word + fragment
脅迫 (kyōhaku: threat, menace)
to threaten + to threaten by forceHere we see again the first weapon we acquired.
と (to: as)
解 (kai(su): to understand, interpret)You likely know this kanji from 理解 (rikai: understanding, to understand + to understand).